A diamond smuggler named Dirk looks for loot he hid in one of Jimmy Slade's surfboards when he returns from winning a surfing competition in Australia. UFO observers await the arrival of aliens on the beach, driving the lifeguards crazy. 

Stephanie is shot off the cruise boat by a drug dealing women and Mitch jumps in to save her. They struggle to stay afloat in the water; Matt and C.J. win big in the casino; Summer gets worried when she can not find Mitch.