Plastic Tree

Kim Sung-Joon (Park Si-Hoo) worked as a pilot, but after becoming in deaf in his right ear he has worked on the ground. He becomes desperate. Kim Sung-Joon then meets Eun-Hong (Yoon Eun-Hye) on a blind date. Even though he doesn't love her, he gets married to Eun-Hong. After their marriage, Sung-Joon treats Eun-Hong with indifference. Suddenly, Eun-Hong dies. Kim Sung-Joon soon learns for the first time about her real heart and her first love. Holding Eun-Hong's urn, he seeks out her first love.

Eighteen-year-old Soon-jeong dreams of escaping to Australia, but her strict homeroom teacher blocks her plans by denying her permission to miss night study for work. When mysterious classroom window break-ins trigger a school investigation, the pressure mounts. Can Soon-jeong endure it all and graduate as planned?

When you think you are stuck in a dead-end loop, hope comes knocking at your door. A man sentenced to prison for killing his father and a woman whose days are numbered according to her doctors. They come across another desperate pair ? a man an inch away from death and a teashop girl who has nothing but her debts to depend upon. Their paths cross in the most devastating moments of their lives.

Na Dae Gi was the leader of a student gang and had power over all high schools in his area. He declares the gang's disbandment, goes into a third-degree College of Education to become a teacher, and finds a job in Kangho High, which has a reputation for being highly populated with troublemakers. The student gangs at Kangho High, who all the other teachers have given up on, start a fight with Dae Gi, who prepares a lesson of his own, and so begins the war between the gangster teacher and the student gang at Kangho High.