The financial crisis swept the world. In order to avoid the impact on himself, billionaire Ling Zhixiong (played by Luo Jiaying) sealed the huge overseas bank account information in a crystal USB necklace and hung it on the neck of his daughter Ling Dan (played by Yang Yumei). Ling Zhixiong was very cunning and carefully designed two passwords in the USB flash drive. Even if the necklace was lost, no one could steal the internal information. The temptation of tens of billions of dollars made countless people covet it. Not long after, Ling Dan was killed in a car accident and the necklace disappeared. Financial tycoon Steve (played by Sun Xing) was determined to get this windfall that he could not spend in several lifetimes. He laid a dragnet. Detective Robert (played by Ji Feilong) intervened in the investigation of the case. The US police and the Hong Kong Investigation Department also intervened, and the case was once in a mystery. At this time, a woman who looked like Ling Dan appeared...