My Ordinary Love Story

After her sixth failed relationship, Eun-jin meets Hyeon-seok in a taxi. Hyeon-seok seems a bit off and never says "I love you", but Eun-jin thinks they're getting along quite well and even thinks of marrying him. However, she begins to suspect he's cheating on her after she accidentally sees his text messages. As she investigates further into his cheating, it is revealed that he has been hiding a big secret. (Summary by Greener)