The prehistoric Croods family live in a particularly dangerous moment in time. Patriarch Grug, his mate Ugga, teenage daughter Eep, son Thunk, and feisty Gran gather food by day and huddle together in a cave at night.
A bullied student sees visions of a rabbit he was forced to kill as a child, and those visions propel him into a state where his imagination causes him to carry out violent acts.
A woman and young daughter escape her abusive husband by faking their deaths. Eight years later she is happily living in the upscale Palm Springs with her now-17-year-old daughter.
Lenny has relocated his family back to the small town where he and his friends grew up. This time around, the grown ups are the ones learning lessons from their kids on a day notoriously full of surprises—the last day of school.