A homeroom teacher of Yosan Private High School has an accident, and thus a substitute comes to fill in. Han Bong-Gu is a mysterious man, and after strange occurrences the class president Ye-Rim tries to get to the bottom of this mystery....
Yoo-Seul is a student of an art high school. She is a talented pianist and who won various contests, but she is driven by her mother. Yoo-Seul's mother wanted to become a pianist when she was younger. One day, Yoo-Seul has an accident. Yoo-Seul may never play the again because of the accident. With the help of her friend Cha-Sik and Yoo-Seul's riva...
Cha Ji-Won is a UDT officer of the Navy Special Operations Force. He is positive and has personal charm, but he falls into a desperate situation due to a friend's betrayal. He goes through numerous life or death situations. Cha Ji-Won then enters into a fake marriage with Swan to hide his identity. Through the bright persona of Swan, Cha Ji-Won fal...
Jo Deul-Ho, who came from a poor family background, is a promising prosecutor, but he can't ignore the corruption at his workplace. He becomes a whistle-blower and loses everything. Jo Deul-Ho then works to become a lawyer....
