When an island populated by happy, flightless birds is visited by mysterious green pigs, it's up to three unlikely outcasts to figure out what the pigs are up to.When an island populated by happy, flightless birds is visited by mysterious green pigs, it's up to three unlikely outcasts to figure out what the pigs are up to.When an island populated by happy, flightless birds is visited by mysterious green pigs, it's up to three unlikely outcasts to figure out what the pigs are up to.