Sometimes Zhenya Okhotnikova makes mistakes and then has to fix them. This time it happened too: Yevgenia refused to provide security for one of the sisters of Skvorechnikovs—she thought there were no grounds for concern. A few days later she learned that the would-be client, Kristina Skvorechnikova, was murdered. That means the threat of an attack really existed—but the criminals acted in an extremely sophisticated way. Well, Zhenya never leaves unfinished cases. She considers it her duty to carry out the will of the deceased and takes on the protection of her younger sister, Varvara. And at the same time, she begins her own personal investigation…