Jin Woo learns from Mi Hee that Jun Sang is his son. Jun Sang has the aftereffects of a car accident, and his life is in danger if he does not get surgery, but he hesitates.

Yu Jin goes to Jun Sang's home. She meets Kang Mi Hee and hears that she and Jun Sang are siblings. Then she goes to Marcian to meet Jun Sang. Jun Sang, who decided to break up with Yu Jin, gives her the cold shoulder. Yu Jin knows how heartbreaking it is for Jun Sang to try to break up with Yu Jin, hiding that they are a brother and sister, so she also decides to break up with him. Jin Woo goes to the hospital when Jun Sang collapses and thinks that Jun Sang might be his son.

Jun Sang and Yu Jin, the two of them alone, get married. When Sang Hyuk, who knows everything about Jun Sang and Yu Jin, comes, Jun Sang is frustrated.

Yu Jin and Jun Sang decide to get married and go to Chuncheon to get permission from Yu Jin's mother. Her mother finds out that Jun Sang is Kang Mi Hee's son.

Yu Jin and Jun Sang are happy, but he is anxious about some memories that keep coming up. Jun Sang finds out that the memory is about his father.

Jun Sang has some of his memories back. When Sang Hyuk finds it out, he decides not to marry Yu Jin and lets her go.

When Yu Jin realizes Min Hyung is Jun Sang, she does not want him to leave, but he decides to leave her for good. Yu Jin goes after Min Hyung, but he gets into a car accident to save Yu Jin.

Min Hyung tells Yu Jin that he is Jun-sang, but she cannot believe that. Yu Jin thinks Min Hyung only wants to be Jun Sang because he can't forget her.

Min Hyung goes to Jun Sang's house. He runs into his mother there and discovers that he is Jun Sang. However, Sang Hyuk comes to Min Hyung, who has a hard time because he can't remember. Sang Hyuk calls him Jun Sang and asks him not to get close to Yu Jin. Min Hyung joins the friends' gathering and tells Yu Jin that he is Jun-sang. However, she does not believe him, only looking at him sadly. In despair, Min Hyung decides to leave the U.S. and meets Yu Jin again at the ski resort.

On the day of Kang Mi Hee's performance, Sang Hyuk visits Mi Hee for an interview and finds out that his father and Mi Hee are high school friends. He also overhears Jun Sang might be Mi Hee's son.

When Yu Jin realizes she loves Min Hyung, she breaks up with Sang Hyuk. Everyone is against her decision, but she thinks she is happy and will stand it.

Kang Mi Hee goes to Jun Sang's house in Chuncheon and thinks of the past before having her solo recital. Meanwhile, Yu Jin tells Sang Hyuk she can't marry.

Sang Hyuk goes to the cabin to find Yu Jin. He sees Min Hyung asking Yu Jin who she loves, but she doesn't answer.

Yu Jin is injured to save Min Hyung, and Sang Hyuk is upset with her for doing that. Min Hyung tells Chae Rin, who lied to him, that he wants to be alone for a while.

Min Hyung has no choice but brings drunk Yu Jin to his hotel room. Yu Jin calls him Jun Sang there. As Yu Jin and Min Hyung misunderstand each other more, they give cold shoulders to each other. When they argue, Chae Rin comes. Chae Rin feels something happened between them, and she makes Min Hyung misunderstand Yu Jin more. However, Min Hyung eventually finds out that everything Chae Rin said is a lie and goes to apologize to Yu Jin.

Sang Hyuk is upset that Yu Jin and Min Hyung work together, but he cannot tell her to quit. Chae Rin gets anxious that Yu Jin works with Min Hyung.

Yu Jin goes to Marcian to give a presentation for a ski resort renovation project, and she meets the director, Lee Min Hyung, who looks like Jun Sang. She cannot tell Sang Hyuk Lee Min Hyung is the director of Marcian.

On the day of her engagement ceremony with Sang Hyuk, ten years after Jun Sang died in a car accident, she sees a man who looks like Jun Sang. She wanders the streets to find the man, forgetting her engagement ceremony.

Yu Jin gets lost on the mountain she went to with her friends, and Jun Sang tries to find her. Jun Sang finds Yu Jin, who is tired of cold and fear.

Jun-Sang moves to a small town in the country and meets Yoo-Jin in the local high school. They fall in love, but Jun-Sang faces a terrible tragedy and gets killed in a car accident.