The Sadness (2021) — AI Story Visualization

Plot Analysis Summary

A viral outbreak in Taipei triggers uncontrollable aggression and sexual urges, forcing survivors into brutal fights for life and moral compromise.

Story Structure — 4 Plot Phases

The Alvin Outbreak

Taipei residents ignore government warnings about the Alvin virus until a bloody old woman triggers a violent outbreak in a café. Jim witnesses the chaos, escapes his apartment after a brutal neighbor attack, and rushes to find Kat.

Key Events

• Virus Debate — Officials argue over the Alvin virus while the public doubts its existence. Characters: Jim, Kat Location: Taipei Government Buildings
• Morning Routine — The couple wakes up and discusses a miscommunication about their trip. Characters: Jim, Kat Location: Jim and Kat's Apartment
• Blood-Soaked Woman — Jim spots a bloody old woman on a roof before she disappears. Characters: Jim Location: Neighboring Roof
• Café Massacre — The infected woman assaults customers, spits mucus, and burns an employee. Characters: Jim Location: Local Café
• Jim Fleeing — Jim flees back to his apartment while chased by infected locals. Characters: Jim Location: Taipei Streets

Station of Horrors

Kat faces harassment from a lonely Business Man before the train station erupts into violence. She escapes with Molly, but the station is sealed, forcing them into an already overwhelmed hospital.

Key Events

• Jim Fleeing — Jim flees back to his apartment while chased by infected locals. Characters: Jim Location: Taipei Streets
• Neighbor Attack — Jim's infected neighbor attacks him, cutting off two fingers. Characters: Jim Location: Jim's Apartment
• Kat Harassed — The Business Man harasses Kat, who scolds him and rejects his advances. Characters: Kat, Business Man Location: Train Station
• Train Station Attack — Infected passengers attack, and the Business Man kills a bodybuilder. Characters: Kat, Molly, Business Man Location: Train Station
• Station Sealed — Kevin shuts the station entrance, leaving Kat and Molly to escape. Characters: Kat, Molly Location: Train Station Entrance
• Hospital Arrival — Kat and Molly reach the hospital, which is already overrun with injured. Characters: Kat, Molly Location: Hospital

Hospital Descent

The hospital collapses into panic after a General assassinates the president on live TV. The Business Man stalks Kat, infects Molly, and is ultimately killed by Kat in a hallway ambush.

Key Events

• Hospital Arrival — Kat and Molly reach the hospital, which is already overrun with injured. Characters: Kat, Molly Location: Hospital
• Presidential Assassination — An infected General kills the president on live TV, shattering hope. Characters: General Location: Live Television Broadcast
• Hospital Panic — Infected patients break through doors, causing panic and chaos. Characters: Kat, Molly Location: Hospital Hallways
• Molly Infected — The Business Man rapes Molly's empty eye socket, infecting her. Characters: Molly, Business Man Location: Hospital Stairwell
• Business Man's Death — Kat ambushes and kills the Business Man with a fire extinguisher. Characters: Kat, Business Man Location: Hospital Hallway
• Alan's Revelation — Alan Wong explains the virus mutates to connect sexual urges and aggression. Characters: Kat Location: Maternity Ward

Rooftop Betrayal

Jim arrives at the hospital and reunites with Kat, but a virologist's experiments and a mauling leave the rooftop vulnerable. Kat locks Jim out to board a rescue helicopter, leaving him to die alone.

Key Events

• Alan's Revelation — Alan Wong explains the virus mutates to connect sexual urges and aggression. Characters: Kat Location: Maternity Ward
• Immunity Test — Alan injects Kat with the virus to test her immunity. Characters: Kat Location: Maternity Ward
• Kevin's Death — Infected Molly and the horde kill Kevin as he tries to escape. Characters: Molly Location: Hospital Corridor
• Jim Arrives — Jim reaches the hospital and reunites with Kat on the roof. Characters: Jim, Kat Location: Hospital Rooftop Access
• Alan Mauled — Infected attackers cut off Alan's foot and vomit in the wound. Characters: Kat Location: Rooftop Stairwell
• Jim Attacks Alan — Jim strikes Alan in the neck with an axe after his gun backfires. Characters: Jim Location: Rooftop Stairwell
• Lockout — Kat locks Jim out of the stairwell to the rooftop. Characters: Kat, Jim Location: Rooftop Stairwell Gate
• Helicopter Escape — Kat boards the helicopter while Jim dies grinning in the stairwell. Characters: Kat, Jim Location: Hospital Rooftop

Story Breakdown

• Viral Infection Arc — The Alvin virus mutates, linking aggression and sexual urges, while authorities ignore warnings.
  • Government Denial — Officials debate the virus while the public remains skeptical and unprepared.
  • First Outbreak — A blood-soaked woman triggers the first violent attacks in a local café.
• Taipei Chaos Arc — Jim navigates the collapsing city, facing infected neighbors and fleeing through streets.
  • Apartment Siege — Jim's infected neighbor attacks him, forcing him to escape with a severe injury.
  • Street Pursuit — Jim flees on a moped, dodging infected locals while racing to find Kat.
• Station Survival Arc — Kat faces harassment and sudden violence at the train station before escaping.
  • Train Ambush — Infected passengers attack indiscriminately, turning the station into a killing ground.
  • Station Sealed — Kevin shuts the entrance, leaving Kat and Molly to navigate the chaos alone.
• Hospital Descent Arc — The hospital becomes a death trap as infected patients break through and panic spreads.
  • Presidential Fall — A General assassinates the president on live TV, shattering any remaining hope.
  • Molly's Infection — The Business Man brutally infects Molly, turning her into a hostile attacker.
• Scientific Experiment Arc — A virologist tests survivors for immunity while revealing the virus's horrifying nature.
  • Virus Theory — Alan explains how the mutated virus connects sexual urges and aggression in the brain.
  • Immunity Trial — Alan injects Kat with the virus to test her resistance, risking her life for data.
• Rooftop Climax Arc — Jim reaches Kat, but survival instincts lead to betrayal and a tragic separation.
  • Alan's Demise — Infected attackers maul Alan, and Jim kills him with an axe to end his suffering.
  • Helicopter Escape — Kat locks Jim out and boards a rescue helicopter, leaving him to die alone.

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