Rescue: HI-Surf

A morning hangout on the beach almost turns deadly for a group of college kids when two of them get trapped in a collapsed sandpit. Sonny, Will, and Laka race to rescue people stranded after a shark attack. Em catches the attention of Fire Captain Sean Harimoto. Will learn if he made the cut for the firefighter job. Hina makes a move with Kainalu.

The lifeguards of the North Shore experience the most dangerous ocean conditions the district has seen in years. Sonny assigns Laka as acting lieutenant as Em has the day off and joins Jenn to catch some massive waves. Meanwhile, Kainalu's father pressures him to leave his shift and help him with his campaign over patrolling the beaches.

The swell has settled down, and the North Shore community comes together for Rocky's paddle out. Hina thinks about switching districts, and Em tries to console her after the recent tragedy. Meanwhile, Laka, Will and Kainalu try to save a beachgoer who accidentally spears his own foot while fishing. Romance heats up between Sean and Em, and Sonny takes a personal day.