Episode 1
Captain Sonny Jennings and his core team of lifeguards monitor the dangerous Hawaiian waters; new lifeguard recruits compete to join Sonny’s district; Sonny and his family grieve after the loss of his nephew; Em reveals a romantic past with Will.
Episode 2
A flash flood sweeps a young tourist away from her family and out to deep sea; going against Sonny’s wishes, Em takes a bold risk and places her own life in danger in hopes of rescuing the lost -at-sea tourist.
Episode 3
Em works to earn the team's respect when she is left in charge and Hina and Kainalu juggle multiple beachside emergencies; Will's fiancee pays him a visit at work; Sonny opens up to a former lifeguard about his trauma since losing his nephew.
Episode 4
College kids get trapped in a collapsed sandpit; Sonny, Will and Laka race to rescue people stranded after a shark attack; Will learns if he made the cut for the firefighter job he has been pursuing.
Episode 5
The lifeguards of the North Shore experience the most dangerous ocean conditions the district has seen in years; Sonny assigns Laka as acting lieutenant; Kainalu's father pressures him to leave his shift and help him with his campaign.
Episode 6
The North Shore community comes together for Rocky's paddle out; Hina thinks about switching districts; Laka, Will and Kainalu try to save a beachgoer that accidentally speared his own foot; romance heats up between Sean and Em.
Episode 7
