Year 1940. The crew of the Polish submarine struggles in the underwater darkness against all odds: attacks of the invisible enemy, claustrophobia, own fatigue, mistakes and failures.

Below the Surface

A chorus rehearsal. Karol and Henryk are among the soloists. Like most of the singers, the two men lead the pretty quiet lives of senior citizens. They have been a couple for years, but no one outside their apartment knows about it. One day, they receive an invitation that shakes their meticulously hidden everyday life.