This drama is about a woman who chooses to remain single after getting hurt from past relationships and a man who wants to change his relationship with this woman through love. The story will combine the theme of a past life with realistic topics such as marriage and remaining single. Seo Hyun Joo (Hwang Jung Eum) works as the leader of a webcomic planning team. She declares that she plans to remain single, but she receives confessions from two men: Hwang Ji Woo (Yoon Hyun Min) and Park Do Kyum (Seo Ji Hoon). Hwang Ji Woo is the CEO of a pharmaceutical company. He has a cold personality and excellent business ability. Park Do Kyum is a popular webcomic writer. He is a sociable person. He and Seo Hyun Joo grew up like siblings, but he has held a crush on Seo Hyun Joo for a long time.