Our take
Colony traps scientists and executives in a locked-down conference center when a mutating virus creates hive-minded infected. The US R rating and UK 15 certificate both flag bloody violent content and strong horror imagery, including fungal body-horror transformations and relentless chase set pieces. Language spikes during panic but romance and substance use are not focal. Expect a loud, graphic survival thriller closer to Yeon Sang-ho's zombie catalog than a family disaster movie
Uplifting themes
Characters weigh sacrifice and cooperation while debating how to protect the wider public Professor Se-jeong leads survivors with scientific focus, though the ensemble includes ruthless choices
AMU ages are independent editorial opinions. They are not legal classifications and are not issued by the Classification Board, the MPAA, or any other official classification body. Official labels on this site, such as PG or R, come from those bodies or our data sources, not from AMU. AMU guides are not a substitute for official classification. Cuts and details can differ by version. Use them as one input only. You decide what is right for your family.
Story (may spoil tone)
Professor Se-jeong is thrust into a bloody nightmare when a rapidly mutating virus is released during a biotech conference causing authorities to seal the facility. Trapped inside with no escape, Se-jeong along with a small group of survivors must fight to stay alive while the infected undergo horrific transformations.
Details
Violence Nonstop outbreak violence includes attacks, shooting orders, and fights…
Nonstop outbreak violence includes attacks, shooting orders, and fights to kill or contain infected patients
Language Strong and moderate profanity erupts during quarantine panics and confr…
Strong and moderate profanity erupts during quarantine panics and confrontations
Sex / nudity No sex found in this title
No sex found in this title
Drugs / alcohol No drugs found in this title
No drugs found in this title
Frightening Mutating monsters, dark corridors, jump scares, and a sealed building c…
Mutating monsters, dark corridors, jump scares, and a sealed building create relentless horror tension
Self-harm / suicide A character's father died by suicide after a whistleblowing scandal, an…
A character's father died by suicide after a whistleblowing scandal, and that loss drives the revenge plot
Sexual violence No sexual violence found in this title
No sexual violence found in this title
Child peril / abuse No child peril found in this title
No child peril found in this title
Bullying / discrimination Past workplace bullying is cited as a motive during a late confrontatio…
Past workplace bullying is cited as a motive during a late confrontation between survivors
Gore / death / weapons Reviews highlight bloody splatter, fungal body horror, and graphic woun…
Reviews highlight bloody splatter, fungal body horror, and graphic wounds as infected transform
Dangerous behaviour Chaotic quarantine conditions show risky group decisions under extreme…
Chaotic quarantine conditions show risky group decisions under extreme stress rather than tutorial stunts
Eating disorders / body image No eating found in this title
No eating found in this title
Mental health No mental health found in this title
No mental health found in this title
Gambling No gambling found in this title
No gambling found in this title
Grief / bereavement Survivors grieve colleagues and family members lost during the sealed-f…
Survivors grieve colleagues and family members lost during the sealed-facility outbreak
Talk after watching
- Survivors debate whether killing the first infected patient is necessary. When does science ethics collide with public safety?
- The infected mimic and coordinate like an ant colony. How does that make them scarier than classic slow zombies?
- Bullying backstory fuels one character's revenge. Does the film treat that motivation fairly or exploit it for shocks?
- Authorities seal the building from outside. What would you trust more — corporate leadership or government quarantine orders?
- The movie runs over two hours of sustained peril. What helps you reset after long, intense horror viewing?