Bummer leaves for the weekend and leaves Johnny in charge. But when the groms pressure him to be the "fun" boss, chaos occurs. Meanwhile, Reef develops a Bromance with a pro surfer staying at the resort, who, by rumor, seems to be attracted to Emma.

It is time for Gromfest, the biggest teen surf competition on the West Coast. Everyone's excited to participate, except for Johnny, who has to take care of Bummer, who is sick.