Two children are born in a rich family's manor house - one of them, Gogo, is a son of a countess and the second one, Maciek, a son of the servant. The servant decides to switch the babies so her son can have a better life. They both grow up and fall for the same woman, a girl named Kasia raised by the countess.

A young married couple is torn apart by WW1. When the news comes of her husband's death, Wanda marries another man, not knowing that her loved one is somewhere deep in the east.