In order to save a friend's daughter, a 17-year-old Jewish girl, from the Ustashas, the Croatian family arranges her to be wed to their son Ivo.
A group of village boys found a gang under the leadership of the most intelligent amongst them - Pero the Lump. They decide to renovate an old and abandoned watermill on the outskirts of their village. A discord amongst the villages has caused the mill to remain unused. To make sure it stays closed, the corrupted steam mill owner is ready to bribe customers. Pero's gang does not want to give in under the pressure of corrupt villagers...
A retired tram driver tries to find his daughter named Ana whom he lost in the Second World War.