Business booms at Sid's new egg-sitting service. However, dastardly pirate bunny Squint, who is seeking revenge on the Ice Age gang, steals, camouflages and hides all the eggs. Once again, with Squint's brother, Clint, assisting, Manny, Diego and the rest of the gang come to the rescue and take off on a daring mission that turns into the world's first Easter egg hunt.