"Thorns" is directed by Kim Tae Kyun and was released in South Korea on April 10, 2014. It tells a dangerous love story between Jun Ki, a teacher who lives an ordinary life, and Young Eun, a bold girl. Through the constant exchanges and dialogue monologues of the two people, it shows the story of cruel obsession and destruction between two people. At the beginning of the movie, Junji, as the school's physical education teacher, is loved by many students for his enthusiastic and cheerful personality and handsome appearance. Yingen is also one of them, and bravely reveals his love to Junki. Junki was caught off guard
At that time, Junki was already married, and his relationship with his wife gradually faded, which rekindled his hope for life. Eun's pressing step by step, Jun Ki also recalled the throbbing of his first love, but when Jun Ki realized that the relationship between the two should end, Young Eun pointed the finger at Seo Yeon, thinking that Seo Yeon was blocking the relationship between himself and Jun Ki. The biggest stumbling block of love, the three of them started a series of struggles. "Thorns" vividly expresses the emotions and rivalry between the three teachers and students, showing the teacher-student relationship.