Yoon Song-A works as a marketer for a cosmetic brand. She enjoys her job and does it with vigor. Her dream is to start her own cosmetic brand. Meanwhile, Chae Hyun-Seung works with Yoon Song-A as a marketer. He becomes attracted to Yoon Song-A and tries to develop a romantic relationship with her. However, Yoon Song-A rebuffs his advances, because she does not see younger guys as dating partners.
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