Dark Ocean (1970)

Sinopsis

The charismatic captain of a fishing trawler in the North Atlantic has just boarded young deckhand Hákon, who takes on the job to provide for his pregnant girlfriend. However, the sea soon turns into a nightmare after a crewmate commits suicide and the captain refuses to return to shore. As Hákon fights seasickness, and the crew’s bullying, his sanity begins slipping, until a life-threatening accident triggers a shift.