Seok Moo is a very picky and sensitive man. Hwi Roo is a relaxed and positive woman. These two completely opposite people got married for 3 years, but they still quarrel over every single thing. During a tough day at work, Seok Moo happens to meet his ex-girlfriend.

Suk Moo and Yoo Young go out for dinner together, and Suk Moo tells her about how he met and married Hwi Roo. Hwi Roo sends a text to Suk Moo as a suspicious guest arrives at her guest house. However, Suk Moo is too busy with his own business to realize that she really needs him.