21-Year-old Jiang Sheng opened an antique store. Because of his superb understanding of antiques and the valuable antiques in the store, his antique store became famous in the city. On a windy and rainy afternoon, a man in a black cloak came to the store and brought Jiang Sheng to an unknown game world in the name of playing cards. What is the purpose of the man in black, and what crisis is there in the unknown world? The adventure of Jiang Sheng and the man in black has just begun...