Happy holidays come, Dave (Jason Lee Jason Lee) with chipmunk Alvin (Justin Long voice), Simon (Matthew Gray Gubler Matthew Gray Gubler voice) and the mouse sisters boarded a luxury cruise ship, happy and comfortable travel. But Alvin and his friends were too high, causing a lot of trouble on the ship, which made Dave quite angry. The naughty chipmunks played with kites, but they fell into the sea with Dave and his old rival Ian (David Cross) and drifted to a deserted island. The little guys embarked on a survival adventure in the unknown jungle, and at the same time they also met the beautiful woman Zoe (Jenny Slate). The seemingly paradise-like island hides unknown secrets... This film won the 2012 American Teen Choice Award for the most popular award.