The father of seventeen-year-old Alik is arrested for committing a series of brutal murders. The mother takes her son and moves with him to another city. Alik, trying to start a new life and does not suspect that he has become the object of research for Sonya, a graduate student at the Psychological Faculty of the University of the Ministry of Internal Affairs. While working on his PhD thesis "The influence of genes on the children of serial killers," Alik is a gift of fate for the ambitious, career-oriented Sonya.

A young guy named Philip is preparing for the wedding with his girlfriend, but he learns that the love he has for her is a consequence of a brain tumor that affects his emotions. An unexpected diagnosis puts the feelings of young people in a serious test.