Ivan Ivanovich Zhurov — unlucky, but very experienced detective. He travels everywhere on his old "Pobeda", one brings up a daughter, loves to drink and has very troubled amur relations with his colleague. All this does not prevent him from masterfully disclosing the most complex and tangled loud criminal cases, for which, besides him, no one more risks to take.

One day, Anna was betrayed by everyone she sincerely loved and considered her loved ones. Her husband, colleagues, and friends turned away from the unhappy woman overnight. Desperate, the heroine wrote a suicide note, indicating in it the names of all those who brought her to this state, and decided to commit suicide. However, the doctors managed to save the patient...

Criminal investigation is investigating the case of robbery of the factory cashier. At the checkpoint of the factory of precision mechanics and optics, two criminals attack the cashier. Criminals manage to escape by the car, waiting for them around the corner. At the scene of the crime, criminal investigation officers arrive Major Dorokhov and Lieutenant Matushkin. They interview witnesses, but they did not remember properly any attackers or machine numbers, but noticed that one prevented the other from firing.