[1] Lee Se-na (Jang Na-ra) is a single child raised in a wealthy family and pampered by her protective parents.

One day, she meets Han Seung-woo (Ryu Si-won) through an arranged date and instantly falls in love with him.

After a short period of time, Se-na and Seung-woo decide to get married, before they have truly gotten to know one another.

We also meet Shin Yoon-soo (Myung Se-bin) and Seo Jin-hee (Lee Hyun-woo), both childhood friends of Seung-woo and each with their strengths, shortcomings, and past relationships with the main duo.

Their relationship deteriorates to the brink of divorce, not knowing whether they can overcome the obstacles that face them.