Bob Parr and his wife Helen used to be among the world's greatest crime fighter, saving lives and batting evil on a daily basis. Fifteen years later, they have been forced to adopt civilian identities and retreat to the suburbs where they live "normal" lives with their three kids, Violet, Dash and Jack-Jack. Itchinf to get back into action, Bob gets his chance when a mysterious communication summons him to a remote island for a top secret assignment. He soon discovers that it will take a super family effort to rescue the world from total destruction.

A treasure hunter is in hot pursuit of a mythical treasure that has been pased down for centuries, while his employer turned enemy is onto the same path that he's on.