Playing around while aboard a cruise ship, the Chipmunks and Chipettes accidentally go overboard and end up marooned in a tropical paradise. They discover their new turf is not as deserted as it seems.
Through a series of misunderstandings, Alvin, Simon and Theodore come to believe that Dave is going to propose to his new girlfriend in Miami...and dump them. They have three days to get to him and stop the proposal, saving themselves not only from losing Dave but possibly from gaining a terrible stepbrother.
The world famous singing pre-teen chipmunk trio return to contend with the pressures of school, celebrity, and a rival female music group known as The Chipettes.
Emir Mahira, Augustus Prew, Andrea Bang, Shenina Cinnamon, Justin Long, Maya Hasan, Caitlin North Lewis,
Lucky Kuswandi, John McPhail,
A man is haunted by the ghost of a boy named David, who is trying to kill him.