The telephone correspondent plays games with the police, extorts and blackmails, and commits acts of terror. It was Glukhoy, known to the reader from the novel “Khokhmach,” who returned to the city. Detectives of the 87th police station are busy with the difficult and dangerous work of searching for and neutralizing criminals. Police officers B. Kling and S. Carella discover two corpses in an apartment: women and men who were killed with a hunting rifle. One English proverb says that in Each box has its own skeleton.” It is these “skeleton” mysteries that the tireless detectives from the 87th police station reveal. It was a warm April day. Detective Meyer's rosy mood was interrupted by a sharp ringing of the phone. A criminal named “Deaf” called, reporting that he had returned from prison (see the novel “Khokhmach”). The battle of minds begins again, the struggle of good and evil. Detectives from the 87th Police Precinct rise to the challenge and through their work prove that good has the power to endure and triumph.