Xiao Yi, a middle-aged man who is nearly 40 years old, went to deliver food after losing his job. Because of an accidental rescue, he had a conflict with the minions of the Dark Night Sect. During the conflict, Jiang Wuya, the overlord of Jiangcheng of the Dark Night Sect, discovered the Dark Night tattoo on his thumb that marked the identity of the Dark Night Boxer. He was invited to the Dark Night Arena to resolve the conflict. Although he was reluctant, when he saw the same tattoo pattern on Jiang Wuya's chest, he also wanted to use this arena to retrieve his past memories, so he agreed to go to the Dark Night Arena. When he was beaten half to death in the ring, a heavy blow to his head awakened his memories that had been buried for ten years. From then on, he began his road of revenge to dismantle the Dark Night Gate...
