Actress Ramona Landers reports to the set of her comeback film. Her young costar Todd Gallagher accuses her of drunkenness, then gulps her drink and dies of poisoning. Houston interviews her husband and those involved with the film.

Lifeguards at the beach are being fatally attacked by sharks. Before her daughter Sue becomes a victim, Alice Landa hires Houston to find out if a shark can be programmed to kill.