After a spectacular crash-landing on an uncharted planet, brash astronaut Leo Davidson finds himself trapped in a savage world where talking apes dominate the human race. Desperate to find a way home, Leo must evade the invincible gorilla army led by Ruthless General Thade.

A group of college kids get together for a weekend of booze and war games at an abandoned hospital. The hospital has become the haven for a PTSD stricken war vet coping and acting upon his delusions. Who will survive the game?