Ahead of their father’s death, four siblings gather at the oldest brother’s house. The will is announced in a notary’s presence and complaints burst forth. Suddenly a phone call comes in from a kidnapper claiming to have the oldest brother’s son.
20 years after discharge from the army and now an excavator driver, a former paratrooper who had been mobilized to suppress the May 18th Democratic Uprising in Korea in 1980, happens to find a skull in the ground one day. Driving his excavator, he pays visits to his former superiors one by one and realizes they were all both assailants and victims of the times.
Jiwan quits her job and start working on a script to become a film director. She has worked on her script for many years but making it into a film seems almost impossible. As she runs around the field in frustration, shee sees a shining rainbow in a puddle and finds hope to work on a new project. She writes to a new script of the title 'Rainbow' that is about the fantastic band playing by 7 color.
Corea del Sur, 1986. Una joven aparece brutalmente violada y asesinada. Dos meses después, se producen una serie de violaciones y asesinatos en circunstancias similares. Para buscar al asesino, se organiza un destacamento especial, encabezado por un detective de la policía local (Park Doo-man) y un detective de la policía de Seúl (Seo Tae-yoon), que ha solicitado ser asignado al caso.
