Derek Lee (played by Li Xing Huang), a manager of an investment bank, is busy acquiring a lithium mining company, while his ex-girlfriend Amy Liang (played by Jinglei Xu) also comes to Hong Kong at this time to serve as the financial advisor of the lithium mining company as the deputy general manager of another investment bank. The former lovers are about to have a showdown in the workplace. Derek's right-hand man Rebecca (played by Gigi Leung) tries to persuade Amy to quit as a friend, and the popular financial blogger Henry (played by Aarif Rahman) discovers the past of Li and Liang. It turns out that Amy broke up with Derek because of his busy career and little time to accompany her. Soon, under Derek's arrangement, she also joined the investment banking field. Derek and Amy met by chance on a flight to London. In order to win the acquisition case, the two fought repeatedly, and as things developed, the relationship between the two close enemies changed again...