While on night patrol, driving through the outskirts of the city, Leon noticed a girl walking quickly, who seemed dazed. Having caught up with the suspicious girl in the car, he lowered the window. "Sorry, I thought you needed help?" The man did not want to impose himself, but still anxiety took over when an unfamiliar girl quickly got into the car. But seeing her pale, wounded face, he realized that there was a girl sitting in front of him in the car, a case about whose disappearance Leon had been solving for many months...