An aging ruthless businessman swaps bodies with his grandson in the wake of getting into a car accident.

Harry Crumb is a bumbling and inept private investigator who is hired to solve the kidnapping of a young heiress which he's not expected to solve because his employer is the mastermind behind the kidnapping.

A bratty 10-year-old boy is obsessed with visiting a dinosaur-themed amusement park. His uptight uncle takes the wily tyke in for a week, and barely lives to regret it.