Businessman Grigory Slotsky was returning by car from a business trip when a half-naked girl suddenly ran out onto the road. Grigory miraculously avoided a collision, stopped, jumped out of the car and immediately received a severe blow to the head. He lost consciousness, and when he woke up, he discovered that a case with important documents had disappeared from the car. Slotsky turned to private detective Konstantin Maksimov for help and asked to find securities. Maksimov began an investigation and very soon got on the trail of the criminals. This trail led him to a local tourist base, where athletes - masters of martial arts - were relaxing...