 Eddie is haunted by his bitter past when a former friend of his, named Jimmy, arrives from his home in Philadelphia and immediately causes friction over personal issues they had while they were in a street gang. When Eddie is suspended for getting into a fight with Jimmy at the beach, Jimmy decides to get even with Eddie once and for all by setting his lifeguard tower afire, with Eddie and Shauni still inside. Meanwhile, Mitch stresses over his upcoming lifeguard re-check which turns out to be quite different than he expected.