As a child, Liza Zaretskaya saw her parents die. She couldn't speak for two years after that and learned to hear people's thoughts. Liza grew up and became a therapist. Her daughter Dasha inherited her gift. Dasha has just graduated from school and wants to study psychology. Albert Kling, a friend of Liza's, is doing complex psychological research and performs tests on Dasha, much to Liza's displeasure. Suddenly Dasha's classmate Ksenya, who was also Liza's patient, goes missing. Police Captain Mikhail Zhikharev asks Liza and Dasha to help his investigation. Dasha's boyfriend Mitya, Kling's assistant joins the search. But Dasha goes missing too.