Murdoch investigates when a bomb is detonated at a suffragette rally Julia is attending. Effie Newsome encourages George to take his book to a publisher, even though he has doubts about its success.
The murder of a dock worker seems linked to recent labour disputes at the wharf, but the involvement of a Pinkerton detective reveals that a past crime is motivating current events. At the hospital, Julia navigates difficult situations when a colleague makes a serious mistake in surgery.
Murdoch investigates the bizarre murder of a young woman who disappeared a decade earlier, yet somehow hasn't aged a day.
A death at an investment event leads Crabtree to the father he never knew, and Murdoch to suspect he may be culpable.
An adventure in the woods turns scary when Murdoch, Ogden, Higgins and Ruth are stalked by a beast that killed two men. Meanwhile, back in Toronto, Brackenreid and his wife are terrorized in their home by some local children in mummers' masks.
An investigation into the murder of a wealthy and open homosexual leads Murdoch to wonder if the cause was a jilted lover or his stamp collection.
A passenger riding in Higgins' cab is poisoned and subsequent murders lead Murdoch to suspect they're connected to a cold case.
An actor is killed during a play featuring John Brackenreid and attended by Murdoch, Ogden, Crabtree and John's parents.
Murdoch investigates an apparent suicide attempt as Julia grapples with her Hippocratic oath.
The family of a rye distiller is murdered, except for the son, who cannot remember what happened. Suspects involve a local racketeer, the distiller's aide of 20 years and guns-for-hire. Unofficial constable Parker is sent undercover in hopes of catching the murderer(s).
Murdoch investigates the disappearances of Nikola Tesla and Marie Curie from a conference of 20th-century innovators.
Inspector Brackenreid and his wife are invited to a fox hunt where a man is discovered in a fresh, shallow grave. Meanwhile, Julia finds her next-door neighbour acting suspiciously after his wife has seemingly disappeared.
Murdoch's neighbour ends up murdered and all evidence points to Murdoch, leaving his colleagues to prove his innocence.
Murdoch and Julia travel to Kingston Penitentiary to investigate a suspicious prison suicide.
Murdoch, Ogden and Brackenreid are called to a tribunal where Terrence Meyers is accused of attempting to assassinate Prime Minister Wilfrid Laurier.
A hair salon owner is murdered, but since the murder occurred outside of Murdoch's jurisdiction, Julia, Effie Newsome and Louise Cherry team up to investigate.
Murdoch suspects Violet Hart has ties to a conman's murder, Ogden flirts with danger and a team member is abducted.
Murdoch is convinced Violet Hart is involved in a murder, Crabtree is still a hostage and Watts' future is in jeopardy.