Elementary: Season 2

Gareth Lestrade, a Scotland Yard inspector who worked with Sherlock, is missing. Sherlock and Joan locate Lestrade at a bar in London and agree to help solve the case that caused him to be suspended. Lestrade accused wealthy Lawrence Pendry of killing his wife, but had no proof. Pendry claimed that an armed intruder shot her; the police arrived within minutes and the gun could not be found. A plastic gun turns out to have been made using a 3D printer; Pendry later dissolved it in acetone in a mi

Mathematician Felix Soto is murdered. His walls are covered in invisible ink with his work, which is about the P versus NP problem, one that has bedeviled mathematicians. Soto's research partner Cyril Nauer is also murdered, and a mugger was shot and left for dead after seeing the killer leave Soto's apartment. The proof that P equals NP would be worth millions. Professor Tanya Barrett evaluated Soto's work and said that they were not near a solution. Sherlock deducts that Barrett solved the pro

After leaking state secrets to the public, government contractor Ezra Kleinfelter is on the run. A man named Honeycutt hires Sherlock and Joan to locate him. Honeycutt works for Ezra's former employers and would most likely kill him if the detectives found him. Sherlock identifies Ezra's connection with "Everyone," a group of cyber-activists, and deduces the identity of Vanessa Hiskie, an Everyone member harboring Ezra, but she is found dead in her apartment. They also find a box that he took fr

Wealthy man Titus Delancy is poisoned. He is found wearing a latex bondage suit; an executive at Titus's company dressed the corpse postmortem to get out of paying a $125 million retirement bonus. Someone named Abigail Spencer works under the name Anne Barker as the nanny for Titus's sons. Years before, Abigail was charged with the murder of her father, who physically abused her. At age 15, Sherlock wrote to Abigail under the name "Sean Holmes". Graham Delancy, Titus's teenage son, ends up being

At the morgue searching for a case, Sherlock discovers that one of the dead, Leo Banin, is former Russian mafia assassin Vitaly Andropov, who garroted someone the day he died in a motorcycle accident that also claimed a young woman. He was working as a nurse and building a nursing home. Near the scene of the accident lays his victim's body, another hitman who targeted Banin for stealing $30,000 from the mob. Leo was being shot at, and that is what caused the accident. Leo's wife alerted the mobs

An intruder invades Captain Gregson's home, terrorizing his wife and asking where he can find her husband. She shoots him, and he flees. Later, two murder victims surface, including Gregson's neighbor Lieutenant James Monroe. The killer went to the wrong house (due to a Google Maps error) and is not actually after Gregson. The victims were assigned to guard an archaeological site. Beth Roney, the archaeologist in charge, stole artifacts from the dig and is now killing her accomplices. Sherlock a

Mycroft is opening a new restaurant named Diogenes in New York City. Sherlock had slept with Mycroft's ex-fiancée, Nigella Mason, to prove to Mycroft that she was after his money. Instead of marrying Mycroft, Nigella landed a marquess. She had an affair with her stablemaster, which led to divorce. She fought hard to get Silver Blaze, a retired champion racehorse, as part of the settlement. The stablemaster is killed by someone trying to poison Silver Blaze. Nigella is charging $100,000 stud fees

A woman named Haley Tyler dies after being stabbed, falling off a balcony and landing on a truck. Haley was the illegitimate daughter of technology mogul Ian Gale, who is dying and needs a transplant. She had the same rare blood type as Gale, and had been donating blood to him. Evidence points to Gale's wife Natalie due to a will amendment giving 20% to Haley, as well as the precise location of the stabbing, suggesting medical knowledge; Mrs. Gale was a doctor. However, Mrs. Gale suggested the w

A young woman, Samantha Wabash, commits suicide by shooting herself on a bridge, tying her gun to a weight so it will drop into the river below afterward. She wants to frame a man named Lucas Bundsch as her killer. Samantha believes that Bundsch murdered her sister Allie six years before. Sherlock deduces that her death was a suicide. Bundsch is brought in anyway, but passes a polygraph test. However, Sherlock deduces that Bundsch fooled the test and concludes Bundsch was responsible for Allie's

Silas Cole, a schizophrenic young man, dressed as a knight, wanders into the police station with a gun and states that he had to kill the queen. Silas's ex-girlfriend is dead, shot through the heart. However, Sherlock is convinced that Cole did not kill her; his "knight's code" would have prohibited destroying her heart, thought in medieval times to house the soul. In the course of their investigation, Sherlock unintentionally gets a man fired by revealing he is out on parole. Bell is shot in th

After his Ponzi scheme is uncovered, hedge fund manager Donald Hauser is tortured for information before being killed. The woman who finds the body is a former sober client of Joan's. She refuses to allow Joan to reveal their relationship, hindering the investigation when her former drug dealer becomes the main suspect. The reporter who broke the news of Hauser's fraud is murdered the same way hours later and her laptop is stolen. Hauser turned over evidence to her that contained information abo

Sherlock recognizes the voice of the man who pretended to be Moriarty in the past when the man calls with a ransom demand for a kidnapped child. Moriarty is brought in, though in electroshock hand restraints, to help track down the kidnappers in exchange for favors. The child turns out to be her daughter. Moriarty's lieutenant wants a collection of valuable information Moriarty has amassed over her career. After disabling her restraints, escaping and dealing with all her daughter's abductors, an

An assignment with the Demographics Unit leads Bell to discover a body in a barrel. The victim is a member of the Pardillo Mafia family who had been in hiding for years. A member of a rival family becomes a suspect. He dies from a car explosion some time later. The National Security Agency (NSA) supplied the killer with information about Pardillo's whereabouts. Sherlock confronts an NSA agent, accusing the agency of having a leak. The agent says that Bell's new boss, NYPD Deputy Commissioner Da

While investigating one of Sherlock's cold cases, Joan spots an out-of-place rock in the murder victim's garden. She enlists a geologist to study the photo. Joan eventually steals the rock. It contains a very rare complete dinosaur fossil worth millions. The rock is later stolen from the police evidence room. Tracking down a very high-end smuggler, Sherlock and Joan find the man murdered and the fossil smashed to pieces. They eventually determine the curator of a natural history museum committed

When a ballerina is murdered, evidence seems to point to the dance company's star performer, world famous diva Iris Lanzer. The killer steals a hard drive containing the venue's surveillance footage. Sherlock is convinced Lanzer is not guilty; he accepts her offer to sleep with her. An audio recording is leaked to the tabloids, it reveals Iris's intimate relationship with the victim, but Sherlock deconstructs the recording and deduces that Iris's lawyer is the murderer, using the publicity to fu

Sherlock and Joan are called to investigate a bombing at a restaurant that targeted finance executives and government officials. On the case, they are reunited and forced to work with Gareth Lestrade, who is now consulting for one of the CEOs involved in the case. Videotape from the hotel attached to the restaurant leads Sherlock and Joan to suspect that Lestrade is covering up his boss's involvement. The CEO is being targeted by a blackmailer who knows about the women (and occasionally men) who

Gordon Cushing's wife disappeared in 2010; he was acquitted in a murder trial, but many people still think he is guilty. One day, he receives two severed human ears along with a ransom note. The DNA matches that of Cushing's wife, Sarah. At the ransom exchange, Cushing pursues the suspect and unintentionally kills him. Clues on the suspect's body lead Sherlock and Joan to an AA meeting, where they find Sarah, who is both alive and not earless. Sarah says that the DNA they collected when she disa

Researcher Barry Granger has been testing the "Hound", a breathalyzer for detecting cancer. He is eventually murdered. His research was alleged as fraud by an expert in the field under the pseudonym Adam Peer. The allegation looks set to ruin both Granger and the firm that employed him, a company run by Hank Prince. The allegation is actually false, and Peer was two people: Granger and another, but Prince hacked their email to make the fraud allegations against Granger. Prince later murders his

Bite marks on two murdered women echo the trademark of Aaron Colville, a man convicted as a serial killer who subsequently died in prison. This raises the question of Colville's possible innocence. The bite marks are traced to ex-con Alan Vikner with the help of hacker collective Everyone. However, when he is brought in, Vikner shows that he has dentures; eight sets were made from the same mold (of Colville's teeth) for inmates at Colville's prison. Eventually, Sherlock and Joan eliminate all th

When a pickpocket collapses in jail, Joan starts to help, then realizes he seems to have contracted anthrax. He stole the anthrax from someone, thinking it was cocaine, then swallowed it when he was apprehended. The man dies. One of the pickpocketed items leads to Charlie Simon. He had the expertise to make anthrax spores, but they find him dead at his storage locker laboratory. From the empty trays there, Sherlock deduces he made 40 pounds of the stuff. Eugene MacIntosh, a member of an anti-gov

Sherlock and Joan investigate the disappearance of Paige, the sister of a woman who frequents Sherlock's sobriety meetings. At the brownstone, they are surprised by Mycroft, who returned to New York, apparently to focus on Diogenes. Later, Joan meets Sherlock at a park he found based on a clue in one of Paige's songs. The pair find two bodies there, Paige's and that of a Zach Piller, who manufactured drones for a company called McCarthy-Strauss. The two victims were killed by Piller's drones. Sh

Mycroft receives a call from Joan's kidnapper. Le Milieu previously offered Mycroft money to open up Diogenes in New York to serve as their headquarters, followed by various requests. Meanwhile, Swiss bank executive Pierce Norman plans to sell a list of thousands of bank executives' names and information to the black market. The NSA is onto Norman, but Sherlock wants to get to him first. Norman's boyfriend points the brothers to a remote home his lover owned. There, they find Norman's corpse. No

Sherlock returns home to find Joan safe. Mycroft is actually working for MI6. MI6 utilized Mycroft's observational skills to investigate criminal groups such as Le Milieu. Mycroft's handler, Tim Sherrington, wanted Sherlock out of New York. Sherrington hires Sherlock to investigate the murder of Arthur West, an MI6 analyst. West's arms were stolen from the morgue. West's estranged wife, Marion is a tattoo artist; she tattooed West's arms with information using invisible ink. West was confident t

Mycroft is being framed as the mole, so Sherlock relocates him and Joan to a vacant, remote library accessible only to Sherlock. The three identity Sherrington as the mole, but decide to keep it quiet. Sherrington eventually visits Joan at the brownstone to confront her, but Joan had invited members of "Everyone" to a video chat to have witnesses for protection. Sherrington leaves. He had made seventeen calls to his contact Afkhami, who is spying for the Iranian government. Sherlock and Joan inv