Based on

Movies like Örlogsmän (1943)

The trio Erik, Arne and Ingrid have been friends since childhood, the two boys always competing for the affection of Ingrid. At the naval academy Erik gets into a fistfight and is expelled, to instead become a captain of a trading ship. Before he leaves Ingrid and Erik are engaged in secret. Later, when Erik is believed to be lost at sea, Ingrid instead gets engaged with Arne.