Captain Lee grills the crew as he tries to find out the cause of the galley fire and the inquiry leads to a contentious dismissal. In a fit of rebellion against Lee's decision, Rocky takes a dramatic, unauthorized dive off the boat leaving her crew-mates shorthanded and angry. With Captain Lee at his wit's end due to the ongoing chaos on the boat, his crew have to band together to create a special 50th birthday celebration for their charter guest, but an angry blow-up between Kate and Rocky could spoil the party. Meanwhile, A familiar face stirs things up when he joins the boat.