When Bob Ho (Jackie Chan) is called to babysit his neighbor’s unruly children, they accidentally blow his cover as a spy by downloading secret codes on his computer. Suddenly Bob has to kick into super agent mode and take the kids on an action-packed adventure that turns suburbia upside down. Bob fights off assassins and arch villains, narrowly escapes traps and outsmarts double-agents while somehow managing to keep the kids out of harm's way.