The movie follows the story of Red (voiced by Jason Sudeikis), a hot-headed bird who lives on Bird Island. Red's life is turned upside down when he meets the green pigs, led by Leonard (voiced by Peter Dinklage), who are threatening the island's safety. Red teams up with his friends, Chuck (voiced by Josh Gad) and Bomb (voiced by Danny McBride), to stop the pigs and save the island.