Consul daughter Anne Stülcken wants to take her fiancee undetected under the magnifying glass and therefore slips in her father's villa in the role of a maid.

When she was a little girl, Liuba came to town with her widowed mother to live in the block of flats owned by her aunt Anna Iwanowna. The wealthy and cold-hearted Anna Iwanowna barely accepted them as tenants. And no sooner did Liuba's mother die than she wanted to send her niece to the orphanage. Fortunately, Pawlin, Anna Iwanowna's janitor, decided to adopt her and he brought her up with affection. When she grew up, the beautiful Liuba fell in love with her aunt's son, Dodja, a good-looking but profligate army officer. Wishing nothing more than an affair with Liuba, Dodja did not hesitate to play the comedy of love to her. When she realized what Dodja was really after, Liuba was devastated and in desperation accepted to marry Pawlin, her benefactor, who had been infatuated with her for years. Alas, in the middle of the wedding party Dodja danced with Liuba and eloped with her