Newly hired Baekhyun is captivated by the appearance of his direct supervisor, the team leader, during their first meeting. However, it turns out that the team leader is an expert in throwing work bombs at subordinates he doesn't like. Avoiding the team leader, whom he nicknamed 'Pretty but Sensitive Boss, Yebo', Hyun-a wakes up at the team leader's house after getting drunk at a company dinner... Since that day, the team leader's attitude towards Hyun-a seems to have changed for some reason?