Zhang Yixing, a Chinese exchange student, is staying in Korea for a year to study the native language

He is staying at the Na residence, who are a normal family; just like any other. But the problem is the daughter, Na Hye Seo, also known as the ice queen, who finds it hard to accept Yixing into her household.

Although their relationship starts as a rocky one, day by day, Hye Seo starts to realize that he is harder to let go of.