Wanda nurses Josef, the patriarch of the wealthy Wegmeister-Gloor family, and in preparation for his 70th birthday, his wife Elsa asks Wanda to help out on some additional maid duties. Wanda shrewdly negotiates for more money —money she sends back to her family in Poland where her parents are taking care of her children. Their son Gregi likes Wanda, making Josef jealous, and their daughter Sofie doesn’t trust Wanda, accusing her of stealing money from the family. When an unexpected complication arises, family secrets come to light and arrangements are made to try and appease everyone.