15 years ago, Andrei was trained in a special school for secret intelligence agents arranged by his father, Colonel Rodina, and started training since he was a teenager. Years later, the training plan was forced to be terminated for some reason. Andrei chose to stay in Europe and tried to forget his unbearable past. One day, his father, who everyone thought had passed away, suddenly called and told Andrei that an unknown person was wanted for him. Andrei had to run to find his first love, Martha, who was also trained in the school, to find the truth together, and gradually discovered a large-scale espionage activity that was unknown to the public...