An engineer comes home from abroad to his waiting wife. After some time, his second wife, an Italian one, joins him. For a small town, such a triangle will turn out to be unacceptable, especially since the spouses live peacefully under one roof.
In 1943, Ewa decides to take care of her Jewish neighbour's daughter and brings her home just for a few days. When the ghetto uprising begins, the woman keeps on looking after the little girl.
Originally, Munk intended Eroica to be a triptych with Con bravura being the first part, but he ultimately gave up on this film, deeming it weaker artistically than the two counterparts. Con bravura is about conspiracy conflating the paths of a rather unconventional nun and an intrigued young man...