Jin-Soo is a man trying to recover fragments of memories he lost after a traffic accident - trying to retrace memories of someone he loved deeply but no longer remembers. Yeon-Hee is a woman working at a ‘Lost & Found’ center in a subway station, trying to erase and forget the memories of a love she once had. Their two parallel stories reflect the irony of love. A mysterious rediscovering of a faceless lover and the struggle to let go of the pain of love. Under the brilliant lights of a rainbow, will these two souls find what is closest to their hearts?

(Source: http://www.koreanfilm.or.kr)