The Haunted U-Boat

While on patrol during WWII, a German U-boat attempts to evade detection from the sonar of the American and British ships. But their location is repeatedly betrayed by the noise of a rhythmic banging sound caused by someone . . . or something . . . on board the submarine.

Un jerarca nazi es embarcado en un submarino alemán en los últimos días de la Guerra. Una vez dentro de la nave, se suceden extraños golpes que amenazan con volver loco al jerarca.