Saint Petersburg, present day. Andrey is a lonely middle-aged architect. Ever since his beloved dog Doggie got lost, he wanders around the city trying to find her. But to no avail. One day, a strange young girl comes to Andrey. She is ready to play the role of a lost dog for him - a kind of psychological help for money. Andrey, desperate to find his dog, agrees. This is how a "new Doggie" appears in his life. He walks with her in the park, watches TV with her. Gradually, these two lonely people become closer, but one morning, teenage drug addicts break into Andrey's apartment. During the ensuing showdown, Doggie shoots one of the drug addicts with his own gun and wounds him. Afraid of falling into the hands of the police, she decides to flee the city. Andrey, no longer able to part with the girl, leaves with her.