Overview
Shock Waves is a 1977 American horror film written and directed by Ken Wiederhorn. The film is about a group of tourists who encounter aquatic Nazi zombies when they become shipwrecked. It stars Peter Cushing as a former SS commander, Brooke Adams as a tourist, and John Carradine as the captain of the tourists' boat.
Plot
The film opens as Rose is found drifting alone in a small rowboat. Two fishermen find it and pull her onto their own boat, barely alive and in a horrible state. Her voiceover indicates she had been rescued from some terrifying experience and the film's events are flashbacks of it.
Young and pretty, Rose is part of a group of tourists on a small de recreo boat run by a crusty old captain and his handsome mate, Keith. Also on board are Dobbs, who is the boat's cook; Chuck, another tourist; and a bickering married couple named Norman and Beverly. After trouble with the engine, the navigation system goes haywire when they encounter a strange orange haze. The others sense that something is wrong. Norman in particular becomes abrasive. In the darkness of night, a hulking cargo ship suddenly appears and sideswipes their boat. The Captain sends up a flare, which momentarily lights up the eerie sight of a huge, rotting vessel wrecked nearby.
The next morning, everyone wakes to find the Captain missing. Realizing the boat is slowly taking on water, everyone evacuates in the lifeboat and makes for a nearby island. They see the huge wreck in the light of day; she appears to have been there for decades, nothing more than a skeletal framework, and now seemingly immobile, stranded on the island's reef. The group is startled to find the body of the Captain, apparently drowned while he was trying to check the underside of the boat for damage. They explore the island and discover a large, rundown hotel. At first they think it is deserted, but they discover a reclusive old man living there.
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