Marina is very busy today: it's her daughter Tanya's birthday and she has an ultrasound in the morning she attends with her husband Artyom, which confirms the symptoms of hydrocephaly in the foetus. Marina is feeling down, lets Artyom go to work: she'll prepare the daughter's birthday party herself. Marina comes to an unusual meeting with 19-year old Zhenya who was introduced by her friend Sveta. Zhenya wants to work with Marina, but not in the flower business. It turns out that Marina is a pimp who sets prostitutes up with respectable clients.

Marina cuts the hotel mattress open and, with Galya's help, puts Sveta's body inside. She's going to move it later in her flower van. However, the plan is under risk of failure. First, a shrewd housekeeper decides to steal the mattress, and Galya stops her literally at the last moment, then Marina's van turns out to be broken, and she is mounting on the roof of her own car. But the most serious complication is leaving Tanya who feels unwell at home alone.

Children find Sveta's body while playing in a quarry. Detective Vera Martynova is called to the crime scene. She detects suspicious traces on the ground. Vera's boss, being furious about Vera's coming to crime scene investigation in the quarry drunk, hands the case over to her colleague Maxim. Zhenya is worried about her missing friend Sveta. In her flat, she finds a cache with photos and video of Sveta having sex with an unknown man.