After losing their dad as kids, the 3 Mann boys return to the family cabin every year to remember him, but when they walk in on their mom with a secret fiance, their trip becomes a wild test to see if he's Mann enough to join the family.

When Buy More computer geek Chuck Bartowski unwittingly downloads a database of government information and deadly fighting skills into his head, he becomes the CIA's most vital secret. This sets Chuck on a path to become a full-fledged spy.

From murder and espionage to terrorism and stolen submarines, a team of special agents investigates any crime that has a shred of evidence connected to Navy and Marine Corps personnel, regardless of rank or position.