An ambitious, charismatic medical student persuades two classmates to take part in an experiment to determine if there is life after death. Their horror begins when they realize that although they've come back alive, they haven't come back alone.

On an island populated entirely--or almost entirely--by happy, flightless birds, Red, a bird with a temper problem, speedy Chuck, and the volatile Bomb have always been outsiders. But when the island is visited by mysterious green piggies, it's up to these unlikely outcasts to figure out what the pigs are up to.