The main character is a student Irina, charming, pretty, the soul of any company that does not have a break from fans. But Irina's heart is silent until she meets with the charismatic coach Alexei in self-defense classes. Fifteen years of difference do not bother Ira, and now she falls head over heels in love with Alex and dreams of a family. But Alexei has other plans for life, and the affair with the student fits into them only fleetingly ... Trying to heal mental wounds, Ira begins to communicate with Alexei's son Maxim, who trains in the same club. Gradually, the young people get closer, and now Ira herself does not understand which of the two she needs ...