When Chicago firefighter Jack Moniker retires and moves to a small Caribbean island, he is befriended by the owner of a run-down resort. Together they renovate the resort and lure tourists to Club Paradise in an effort to fight off corrupt officials and businessmen who want to claim the resort as their own.

Two "Normal" teenagers - they cut classes, get into fights and are never far from their Walkman headsets - notice a sudden change in their fellow students. No one is able to explain this zombie-like behavior which, at the command of an unseen alien, makes them punish transgressors with merciless violence.