Inside an isolated prison live an honest, pleasant young man, an alluring woman, a middle-aged ex-soldier, a geeky woman who still looks like a child, a mysterious old man, and a cat. One day, the facility suddenly loses all power. All the locks open and all the guards are gone. The five prisoners meet each other. They attempt to escape but can’t seem to find an exit. The mysterious old man begins acting strangely when suddenly the facility meets with a crisis.