On December, 31. Vera, modest district internist, leaves on a next call and becomes the unintentional captive " of the patient" - insidious, but also touching playboy Ilya. Meantime loving Sonya leaves on a summer residence with a young lover. As for spite, her spouse the same idea occurs to. Alla gets a task to come forward with a shtick on a day birth of important client - the known criminal authority .