Matt rescues a woman following a jet ski accident and realizes he knows her from before. Things get complicated for Matt as the woman pleads with him to help her fend off a rejected suitor from her past.

Four Baywatch lifeguards go to San Diego to demonstrate the usage of the scarabs and waverunners to lifeguards in that area. However, Hotel Del Coronado, where they stay, has a legend of a ghost haunting its hallways that Summer experiences. Mitch tries to save his brother, who suffers a heart attack and falls overboard from their sailboat.