Christmas cheer is in the air as the lifeguards prepare for their annual holiday toy drive; while surfing, a local grandpa has a heart attack and is rushed to the hospital; Sonny tells Laka he is not ready to become a lieutenant.

Em and Will's relationship struggles as they navigate the return of his fiancée; Kainalu asks Laka for help; the team races to rescue a group of locals involved in a serious accident while riding an inflatable Supsquatch.