Karina devoted 5 years of her life to caring for her brother, who, after a terrible accident, remained confined to a wheelchair. Only after his death does she learn that Arthur's fate was not an accident. Now those who got rid of the brilliant programmer are hunting for his sister. Karina will have to understand from her own experience what role computer technology has begun to play in the world - which can not only simplify life, but also take it away. At first glance, it seems that the girl, far from corporate intrigues, has no chance of escape, but help at the last moment comes from a source whose existence neither the criminals nor the police suspected.