Masha and Valya, vegetarians and abstainers, invite their former friends Natasha and Sergey over. Natasha and Sergey took a mortgage, they are planning a child. Natasha tries to persuade Masha to throw a wedding party, nevertheless she hints at Valya being no good for Masha. Masha in reply tells Natasha that her husband Sergey drinks vodka on the quite. Natasha makes a scene to Sergey. Masha tries to reconcile friends and convince them of their relationship being cracked. The guests are leaving....