At first glance, everything in life seems to be going perfectly for young, attractive, and narcissistic Sasha Titov: he's a successful creative director at an advertising agency and completely content in a casual relationship with his colleague, Oksana Tarelkina. But one morning, on the threshold of his penthouse, Sasha meets a sweet ten-year-old girl, Alya, who introduces herself as his daughter. Having burst into Sasha's life, the smart and inquisitive Alya is determined to settle in for the long haul. But is Sasha ready to embrace all the surprises fate has in store and radically change his usual bachelor life?