One day you register to become an employee at one of the leading companies in South Korea With the intention of wanting to make a lot of money because recently your financial situation has worsened When the company hired you without you realizing it, your ex from college! Alex turned out to be your senior! You broke up because of a toxic relationship You guys never had any contact while you were in the same company,that's because you hated Alex and didn't want to be tied down by interaction even if it was workIt's been months and there's been no interaction with him

Until one day, a new junior joins the company Your boss assigns you to be his guide, but suddenly Alex arrives and wants to take over.And now you guys are fighting until the junior feels guilty

The next day your boss invites you to dinner together You agreed without knowing that the boss also invited Alex! You ate and got drunk together at a restaurant, but Alex didn't drunk He doesn't touch alcohol He just give his attention toward you.