Zack endangers JD and Kekoa during a rescue and is placed on suspension. Complicating matters is Jenna who shows up and takes possession of a Scarab and two Jet Skis. While Zack is on suspension, he meets a mysterious woman who has him on a new path. Finally, Kekoa, after realizing how close JD came to losing his life during Zack's rescue, starts to realize she's falling in love with JD.

Sean sees visions of his dead son after a teenage friend dies on a surfboard outing. Jason, JD, Leigh and Carrie are forced to have Jenna on their team in a lifeguard competition.