The Sadness (2021) — AI Story Visualization

Plot Analysis Summary

A couple struggles to reunite as a virus transforms social fear, desire, and violence into an unstoppable collapse of human restraint.

Story Structure — 5 Plot Phases

A City Ignores the Threat

Medical experts and officials debate the Alvin virus while ordinary people doubt its existence. Jim and Kat begin the day with a small relationship misunderstanding before signs of violence appear around them.

Key Events

• Alvin Virus Debate — Officials and medical experts argue over the virus and the government's limited response. Location: Taiwan
• Morning Miscommunication — Jim and Kat discuss a misunderstanding about their planned trip. Characters: Jim, Kat Location: Jim and Kat's apartment
• Bloodied Rooftop Woman — Jim sees the blood-covered Old Woman on a neighboring roof. Characters: Jim, Kat, Old Woman Location: Apartment balcony
• Bloody Commute — Jim drives Kat toward the train station past a bloody crime scene. Characters: Jim, Kat Location: Taipei streets

The Streets Turn Savage

The Old Woman's café attack reveals the virus's brutal effects. Jim survives an attack by an infected neighbor and begins traveling toward Kat.

Key Events

• Café Assault — The Old Woman attacks café customers and burns an employee with cooking oil. Characters: Jim, Old Woman Location: Café
• Jim Escapes the Café — The Old Woman chases Jim before an infected driver hits her with a car. Characters: Jim, Old Woman Location: Café street
• Neighbor's Shears Attack — An infected neighbor cuts off two of Jim's fingers before Jim escapes. Characters: Jim Location: Apartment building
• Jim Rides Toward Kat — Jim texts Kat to stay put and rides toward her location. Characters: Jim, Kat Location: Taipei outskirts
• Train Harassment — The Business Man harasses Kat, and Kat offers her seat to Molly. Characters: Kat, Business Man, Molly Location: MRT train

The Train Becomes a Trap

Kat and Molly are caught in a rapidly spreading train attack. The Business Man becomes a relentless threat, and the survivors barely reach the hospital.

Key Events

• Train Harassment — The Business Man harasses Kat, and Kat offers her seat to Molly. Characters: Kat, Business Man, Molly Location: MRT train
• Train Stabbing Begins — An infected man attacks passengers, while the infected Business Man injures Molly's eye. Characters: Kat, Molly, Business Man Location: MRT train
• Fire Axe at Station — The Business Man kills a bodybuilder with a fire axe as Kat and Molly flee. Characters: Kat, Molly, Business Man Location: MRT station
• Kevin Seals Entrance — Kevin closes the entrance and argues with Kat about following police orders. Characters: Kat, Molly, Kevin / MRT Employee Location: MRT station entrance
• Survivors Reach Hospital — Kat, Molly, and Kevin reach an overcrowded hospital for treatment. Characters: Kat, Molly, Kevin / MRT Employee Location: Hospital

Hope Collapses in the Hospital

The President is killed during a live emergency broadcast, and infected people overrun the hospital. Kat escapes the Business Man, while Molly becomes infected and Kevin is killed.

Key Events

• Live Broadcast Assassination — The infected General kills the President during the emergency broadcast. Characters: General, President Location: Emergency broadcast
• Hospital Doors Collapse — Panic distracts police as the Business Man and infected people break into the hospital. Characters: Kat, Molly, Kevin / MRT Employee, Business Man Location: Hospital entrance
• Molly Becomes Infected — The Business Man attacks Molly, while Kevin hides and Kat escapes into a stairwell. Characters: Kat, Molly, Kevin / MRT Employee, Business Man Location: Hospital ward
• Jim's Hallucination — Jim contacts Kat, cries, and hallucinates a mannequin head drinking his blood and sweat. Characters: Jim, Kat Location: Town outskirts
• Kevin Is Killed — Infected Molly discovers Kevin under a gurney and kills him with the infected horde. Characters: Molly, Kevin / MRT Employee Location: Hospital

Love at the Rooftop Gate

Kat undergoes an immunity test and is cleared for possible military extraction. Infected Jim reaches her, turning their reunion into a final confrontation that ends with his death and Kat's escape attempt.

Key Events

• Kat Defeats Business Man — Kat ambushes the Business Man and smashes his head with a fire extinguisher. Characters: Kat, Business Man Location: Hospital hallway
• Immunity Test — A virologist injects Kat to test whether she is immune after she sees an infected baby. Characters: Kat Location: Hospital maternity ward
• Roof Extraction Plan — Kat shows no symptoms, receives an extraction plan, and texts her location to Jim. Characters: Kat Location: Hospital stairwell
• Stairwell Ambush — Two infected attackers wound the virologist, who shoots them before calling Kat onward. Characters: Kat Location: Hospital stairwell
• Jim Returns Infected — Infected Jim reaches the stairwell, attacks the virologist, and threatens Kat while professing love. Characters: Jim, Kat Location: Hospital stairwell
• Rooftop Escape — Kat locks Jim out, escapes toward the helicopter, and hears gunshots as Jim dies. Characters: Jim, Kat Location: Hospital rooftop stairwell

Story Breakdown

• Ignored Viral Threat — Taiwan debates the Alvin virus while public skepticism delays a meaningful response.
  • Official Disagreement — Medical experts and government officials argue over the seriousness of the virus.
  • Public Doubt — Many ordinary people question whether the virus exists at all.
• Jim And Kat Separated — The couple starts the day together but is divided when the outbreak reaches Taipei.
  • Morning Miscommunication — Jim and Kat discuss a misunderstanding about their planned trip.
  • Promise To Rescue — Jim tells Kat to remain where she is and promises to find her.
• Violence Reaches Taipei — The first infected attacks turn ordinary public spaces into lethal zones.
  • Café Bloodshed — The Old Woman assaults customers and attacks a café employee.
  • Jim's Mutilation — An infected neighbor cuts off two of Jim's fingers with garden shears.
• Train Survivor Escape — Kat and Molly attempt to escape a train filled with infected passengers.
  • Molly's Eye Injury — The infected Business Man stabs Molly's eye with an umbrella.
  • Station Axe Attack — The Business Man kills a bodybuilder with a fire axe.
• Hospital Collapse — The hospital becomes a temporary refuge that rapidly turns into another killing ground.
  • Presidential Assassination — The infected General kills the President during a live emergency broadcast.
  • Kevin's Final Hiding Place — Kevin hides under a gurney but is found and killed by infected Molly and the horde.
• Kat's Immunity Trial — Kat reaches a medical refuge and becomes the subject of a dangerous immunity test.
  • Infected Baby Discovery — Kat finds an infected baby in a medical waste bin.
  • Extraction Opportunity — Kat shows no symptoms and is prepared for possible military evacuation.
• Final Rooftop Confrontation — Kat's hope of escape collides with Jim's transformation and violent declaration of love.
  • Stairwell Lockout — Kat uses keys to lock infected Jim away from the rooftop route.
  • Jim's Tragic End — Jim dies by the stairwell gate as Kat reaches the rooftop and hears a helicopter.

Directed by

Rob Jabbaz

Key Cast

• Berant Zhu — Jim
• Regina Lei — Kat
• Wang Tzu-chiang — Business Man
• Apple Chen — Molly
• Lan Wei-hua — Dr. Alan Wong