A dark streak has come in the life of Yana Tsvetkova, a bright thirty-five-year-old blonde. Her straightforwardness played a cruel joke on her, and she lost her love. And not just anyone, but a handsome man, a smart girl and a whole Czech prince - all rolled into one. Out of despair, Yana turned to a psychotherapist, and there, having heard the story of the unhappy love of a young man named Evgeniy, she decided to help him. Their “struggle for justice” ended... in the police. It’s good that in Yana’s bag she keeps the business card of investigator Lebedev, who is always ready to help...