The story revolves around a female investigator named Oksana Koshkina, who is busy searching for missing children. At the same time, the heroine is trying to erase the events of her own past from her memory. Something strange is happening in the city - there has been an increase in cases of children disappearing. Parents are terrified, while law enforcement officers believe it to be nothing more than teenage pranks. But Oksana doesn't think so. She is convinced that she is dealing with a criminal who is kidnapping children for a specific purpose.