A local Romanian chieftain in 16th century Transylvania discovers a great treasure of Decebalus. He decides to send it for safekeeping in Moldavia, but he has to evade the Transylvanian prince and the king of Hungary, who get wind of it and want it for themselves.

A young prosecutor refuses to take the easy way out of an investigation that involves a young man.

This is a communist propaganda movie that follows the life of an engineer who is in conflict with power hungry apparatchiks.