Beyond the Poseidon Adventure (1979)
Following the catastrophic events of "The Poseidon Adventure," the overturned cruise ship remains adrift, its passengers trapped inside and hoping for rescue. Two competing salvage crews seize the opportunity to explore the sunken vessel, driven by greed for treasure, gold, and a cache of plutonium rumored to be onboard. As tensions rise and danger lurks in the ship's depths, the struggle for survival intensifies, forcing both salvagers and survivors to confront the perils of their quest and the dark secrets hidden within the Poseidon.
