Is That Tiger, Man

Peter Thornton has led Mogul to a major offshore find in the Caribbean and expects promotion to London, but the post goes to newcomer Alec Stewart, who arrives to tell him he must stay on as Regional Supervisor. Thornton's restless wife Steve, longing for home, begins an affair with diving instructor Tiger. Then a rig leg sinks into the seabed, and Tiger is the only diver at hand.