The parents have gone away, so the two sisters - Marta and Linda - need someone to take care of them. Their dictatorial spinster aunt Una, who desperately wants to get married, arrives to take on this job. Marta really wants a puppy, but her plan is ruined, as her aunt has a strong dislike for dogs. So, the relationship between the girls and Una becomes really tense. Until the perfect plan of the sisters emerges - to get rid of the aunt by helping her to get married.

Doctor Rūdolfs spends time at his country cottage, and there he meets teacher Laura - a mother of two children whose husband is in prison. Rūdolfs rescues Laura's daughter, Zaiga, who is sick, befriends her son, Maris, and falls in love with Laura, but she desperately struggles with her feelings of responsibility towards her family.