The plot describes the gambling-addicted female policewoman Xiudian from Hong Kong who returns to Dongguan in mainland China for a blind date due to heavy debts. On the other hand, after being released from prison, Bei Guishou, who is an expert in gambling, is entangled by his mortal enemy Nan Tianlong, who wants to recruit him, but he has already decided to quit the underworld, so he has to find a way to escape from China. Xiudian meets Bei Guishou by chance and agrees to marry him in exchange for teaching him gambling skills.