Mitch's Zuma Beach lifeguard friend, Jake Barnes, learns that his Australian ex-wife has suddenly died. So he, Mitch, Alex, April, Cody, and Jessie go on a trip to Australia where Jake is to meet the eight-year-old son, Terry, that he never knew. Upon arrival, Jake with Jessie in tow, travel to the Avalon Beach Resort Club where Jake meets with Terry and his ex-wife's friend Allie Reese, a helicopter pilot and lifeguard at the beach club, where Jake and Terry seem to hit it off.

While Mitch, Alex, Cody, and April prepare for their race against the Australian lifeguards, Jake must choose between staying in Australia with Terry or returning home without him. But when Terry does not want to leave Australia, he goes missing which prompts Jake, Jessie, and Allie to look for him.