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.

An influencer gets swept into the ocean while trying to film a new video; Kainalu and Hina discuss setting boundaries within their home; Mayor Emerson makes good on his word with Captain Sonny; Jenn finally agrees to go on a date with Laka.