Contract marriage master Choi Sang-eun's alternate day romance with a long-term mystery client on Monday, Wednesday and Friday and a new superstar client on Tuesday, Thursday and Saturday.
After that day, Ji-ho waits for Sang-eun who didn’t turn up. Sang-eun doesn’t have the courage and hesitates and Ji-ho returns to his cold self. The co-workers become more worried seeing Ji-ho being so emotionless. Meanwhile, Sang-eun realizes her feelings through honest advice from Gwang-nam and Madam Yoo…
