A troubled teen turns his life around with the help of a classmate. Years later, their reunion sparks old feelings, but uncertainty clouds their story.
Pure Love, released internationally as Unforgettable, is a 2016 South Korean romantic drama film starring Doh Kyung-soo and Kim So-hyun. It is based on the short story titled '저 먼 과거 속의 소녀 ' by novelist Han Changhoon. The film was commercially successful.