Choi Ji Young who is a workaholic is a female lead. Her boyfriend wants to take a trip with her but she doesn't want because she only focus on her work.

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Kang ho who is a worker at Samjin was diagnosed with a ringing in the ears. The reason was stress. His boss told him if he became the top among the team members he will definitely get a promotion. Kang ho is actually really bad at sales. That's why he got a lot of stress on sales achievements. He borrowed money from friends and even he took out a private loan for the promotion. Those things only made matters worse.