Men, when going on a business trip, remember: those whom you left at home do not waste time. This happened with the former journalist and now private detective Katerina Krol. Offended by her lover and companion Georgy, who went on a business trip and did not take her with him, Katerina without hesitation takes on a complicated case. Prestigious foreign cars began to disappear in the city. The police are powerless, businessmen and entrepreneurs are in a panic - who will be next, who, in place of their dear, expensive toy, will find only a business card with two words: “Detochkin’s Children”?.. Katerina enters into battle with the unknown “Children” and suddenly discovers... its direct relationship with them.