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Tan Bin (played by Tang Yan) is one of countless female white-collar workers trapped in their cubicles. As a key salesperson in the company, she is currently negotiating a large and crucial deal. Tan Bin has a long-term boyfriend, Shen Pei (played by Lee Sung-kyung), and although their relationship has always been loving, Shen Pei, who is a painter, does not understand Tan Bin's obsession with profits and money. Over time, their common topics of conversation have dwindled, and they have gradually become estranged. Chen Ruimin (played by Ng Ka-yee) used to be Tan Bin's superior, but now he has become her formidable competitor. In the bidding process, Tan Bin keeps losing, leaving her baffled. Eventually, she is shocked to discover that all the failures can be traced back to Chen Ruimin. Tan Bin mistakenly believes that Chen Ruimin has tampered with the bidding process.