Years after giving up life as CIA spies to start a family, Emily and Matt are pulled back into the world of espionage when their cover is blown.

Devoted lifeguard Mitch Buchannon butts heads with a brash new recruit. Together, they uncover a local criminal plot that threatens the future of the Bay.

For Nick, Kurt and Dale, the only thing that would make the daily grind more tolerable would be to grind their intolerable bosses into dust. Quitting is not an option,…