When the war began, graduates of the choreographic school decided to make their way to the front. Young ballerinas Alka and Nadia also dreamed of exploits, but instead they were waiting for routine work as nurses in the hospital. The girls still achieved their goal and got to the front line, where Nadia died at the first shelling. After recovering from a severe concussion, Alka again went to the front line, to the Marine reconnaissance platoon. She received her first task – to get a "tongue"…

Alka

20-year-old Anna dreams to become a doctor - her mother died in childbirth and the girl lives with a guilt complex. Unfortunately Anna fails her university entrance exams. From that day forward a streak of bad luck haunts her: on the way home, her handbag with money and a ticket is stolen. Andrey, a handsome passenger from the same compartment, helps her out. Anna really needs support at this moment and Andrey gives it to her. They both are not free. Anna has a boyfriend in her hometown, Andrey - a fiancee. They spend the night together and part. At the wedding, the girl admits to her groom that she is pregnant from another. He renounces her in front of all the guests. The girl returns to Moscow and gets a job of a nurse at the hospital. Anna is not stopped by problems with apartment and money, she still wants to give birth to her baby, but she is informed that the baby-girl died. Later, Anna accidentally finds out that her daughter is alive. The hospital head doctor, who had been helping the girl all this time, decided that Anya would not be able to cope with the child alone and replaced the child.

What Should the Heart Do

After all the horrible trials, Anya returns to her native town to her father and ex-fiance. Having learned about what the girl had to go through, Tolik forgives her and offers her to try and get married one more time. However Anna doesn't have any strength left to live. Days become a routine, Anya does not need anyone, she mechanically waters the flowers, prepares dinner and does not expect anything. Perhaps Anna would have lived like this for many years, if she had not once heard the voice of Andrey, who said that her daughter was dying. Anna rushes to Moscow. But will it be possible to save what her heart beats for?