Liu Xiti is a strong woman who has just emerged in the financial field, and Song Yi is a beautiful and gentle programmer. The two people, who appear to be professional elites, have another identity after get off work - modern knight-errant private agents. With their tacit cooperation, the two brought many dark social events to the public. Until they received the "Darwin Project", an artificial intelligence investment project, Liu Xiti and Song Yi found themselves involved in a shocking change...