In the dilapidated apartment hit by the sudden rain, Xu Xu woke up from his drowsiness. He once wrote a complete psychological analysis and saw through the weaknesses of all living beings, but now he has become a poor man making a living. The old scars are engraved with the past fall, and the wet and desperate situation hides the undying edge. He will use the human heart as a chess game, and start a heart-to-heart game in the abyss to reverse his fate.