Xenia works hard to be top of her class, inspired by the dream of studying medicine; but lately her performance has been flagging. The fact is that Xenia has fallen in love, though not with one of the boys she knows. She's fallen in love with a ghost, with a voice from the Internet who shares her passion for reading. As Xenia is a determined girl and her virtual love refuses to meet her for a date, she decides to surprise him, and starts investigating with the few facts at her disposal. It all turns out to be false, lies, not even the photo or the name are real. Who is her soul mate in reality? Repenting having neglected her studies, she confesses all to her parents, sure she's been the victim of some unscrupulous person. But soon an unexpected package reveals the identity of the boy with whom she has shared her most intimate feelings. It has come from a young offender's prison and contains the story of a murder.