"孙美琪疑案:金凤凰" is a free game available on iPhone that plunges players into a mysterious narrative. The story revolves around the enigmatic figure of Jin Fenghuang, the founder of Jin Fenghuang Trading Company. After going underground in 1985, the company's legal representative changed to Zeng Xueren. With a vast underground company group based in Foshan, Guangdong, Jin Fenghuang remains unseen, yet her presence is felt by both the righteous and the nefarious.

In the midst of the collapse of the Beacon Tower, Liu Qingchun goes missing, prompting an investigation by the local police. Wang Yong, at the chief's behest, takes an extended leave. Two weeks later, Wang Yong secretly arrives in Guangdong, where a murder occurs in a street food area in Nanhai, Foshan. Rumors suggest that Liu might have been present at the crime scene.