The team races to the rescue in the aftermath of an ATV accident. Romantic tensions are high between Em and Will as well as Kainalu and Hina.
Em and Will’s relationship struggles as they navigate the return of his fiancé. Kainalu asks Laka for help. The team races to rescue a group of locals involved in a serious accident while riding an inflatable Supsquatch.
Following the personal and professional lives of the heavy-water lifeguards who patrol and protect the North Shore of O’ahu, Captain Harlan “Sonny” Jennings (Robbie Magasiva) and his core team of lifeguards —lieutenant Em Wright (Arielle Kebbel), and veteran lifeguards Will Ready (Adam Demos) and Laka Hanohano (Kekoa Kekumano) monitor the most famous and dangerous stretch of coastline in the world. In the series premiere episode two rookie lifeguards, Hina Alexander (Zoe Cipres) and Kainalu Emerson (Alex Aiono) try out for a position on the team, as Sonny and his family are still grieving the loss of his nephew Zion and a romantic past is revealed between Em and a now engaged Will.
When a flash flood sweeps a young tourist away from her family and out to deep sea, Sonny, Em, and Will race into action to save her. Going against Sonny’s wishes, Em takes a bold risk, placing her own life in danger. Laka supervises rookies Kainalu and Hina’s first day on the job.
Em works to earn the team’s respect when she is left in charge. Hina and Kainalu juggle multiple beachside emergencies. Will’s fiancé pays him a visit at work. Sonny opens up to a former lifeguard about his trauma since losing his nephew. Laka continues his flirtation with EMT Jenn (guest star Sea Shimooka).
