During the first week of autumn at Baywatch with Hobie gone away to college and heavy rainfall in the area, Mitch discovers that his shipboard marriage to Neely is invalid, which worsens things then Neely's ex-husband suddenly shows up with no knowledge of Neely's baby or anything else making Mitch realise that Neely lied to him all this time and she has fully reverted back to her conniving and devious true self.

Mitch, Craig, Neely, J.D. and Newman co-operate with the Coast Guard in rescuing as many people as possible from the waters of the plane crash and fending off shark attacks as well.