Synopsis: Two Yugoslavian patriots try to scuttle a seized warship from World War II rather than let it fall into the hands of the Germans. They contemplate sailing to England to use the boat in the fight against the Nazi invaders. The captain is bound to follow orders while a Nazi collaborator on board secretly plots to take over the vessel. The two friends vow they will take the ship apart one piece at a time rather than give it up. When their alternative plans fail to materialize, the two friends vow they will take the ship apart one piece at a time rather than give it up