Ji He's task is to "reasonably optimize" employees including Cheng Shu. However, every time she submitted a report, Cheng Shu miraculously resolved the crisis with new patents. Behind this cat-and-mouse game is Cheng Shu's unremitting efforts to protect the late mentor's project. When Ji He discovers the true intentions of the company's top executives, she must make a choice between professional ethics and inner justice.