Zhu Mo was an ordinary person who was at a low point in his life. He accidentally took a driverless bus to the black hut, where he was trapped with a group of cursed people. The mysterious organization behind the scenes controls everything and prevents them from escaping. Every once in a while, everyone will be forced into the terrifying world behind the Blood Gate to complete tasks. If they fail, they will lose their lives. Zhu Mo activates the system and faces a dilemma in the process of improving his strength: whether to deal with ghosts and become stronger quickly, or to stick to the bottom line of justice. He was misunderstood by other cursed people because of his system abilities, thinking that he was colluding with the mysterious organization. Zhu Mo resolved the misunderstanding while struggling to survive. In the end, he successfully unlocked the secret of the house, but lost the friend who protected him.
