Lyokha and Nastya are breaking up. Valya tries to pull her out of depression and get her a job as a school laboratory assistant, but she finds herself on the verge of dismissal.
Valya wakes up with a hangover and can't remember if she had sex with the student's father. Enraged Lyokha trashes Nastya's apartment, and Elisey blackmails Yasya with racy photos.
Nastya helps Valya "update the park of underpants" and saves Dasha from a depraved old man. Yasya's husband threatens to take her child away from her. Valya recognizes Kostya from an unexpected side.
Valya's mom is trying to protect her daughter from Nastya's bad influence. Yasya suffers from male attention, and her ex-husband proposes to his new passion.
Valya resents her mother for years of deception, and Nastya tries to return Lyokha. Yasya solves problems with her husband at the expense of Makar, but gets into big trouble.
Valya wants to ask Kostya out on a date, but he dreams of another one. Nastya is trying to change Lyokha, and he is trying to make her jealous of Dasha.
Valya wakes up at Makar's, and to Yasya come's people from the guardianship authorities. Lyokha tries to get Nastya back, but tension is growing between him and Dasha.
Kostya is trying to pull Valya out of depression. Lyokha persuades Nastya to move out of the apartment faster, and soon catches her lying. Yasya tries to hold Makar.
Lyokha and Nastya settle in the dance class of the recreation center. Valya begins to manipulate according to her mother's methods, and Yasya is desperately trying to interest Makar in relationships.
Lyokha throws Nastya and gets drunk. Valya tries to prevent their reconciliation, and Kostya dedicates a song to her. Yasya invites Elisey to spend the night.
It seems to Valya that she made a mistake. Together with Kostya, she is trying to find her mother who escaped from the hospital. Dasha is expelled, and Nastya is trying to help her. Yasya is being blackmailed by Elisey.
Valya meets Kostya, but she has erotic dreams with Makar. Dasha demands that Lyokha make an important decision, and Andrey unexpectedly returns to Yasya.
Valya is trying to sort out her feelings for Makar and Kostya. Nastya and Lyokha decide to confess everything to each other, and Yasya gets drunk and ceases to control herself.