After naval sergeant Pekka Kuusisto runs into his old crush, nurse Leila, she stays on his mind as he embarks on a submarine combat exercise.
Heavily indebted Commissioner Birger seeks to marry the wealthy Helena. The young lady rejects his advances and longs for her childhood friend Kuismaa. Birger's jealous mistress Verotshka complicates the relationship dynamics while helping the Finns and Ingrians in their struggle for independence.
