Vitya is going to marry his girlfriend Masha, and the day before the wedding he goes out to party with friends. The next morning he wakes up with a headache and remembers absolutely nothing about what happened at night. But Masha dumps him, cancels the wedding and leaves. Crushed Victor wants to turn back time. And fate gives him such an opportunity. The next morning he wakes up and sees that the calendar again shows September 3rd.