Oh Eunsoo and Min Jaeha are madly in love, but Jaeha's best friend, Ji Geonwook, is appalled that the two are even together. After putting up with Geonwook's rude behavior, Eunsoo tells Jaeha that she wants nothing to do with his pal. But after an unexpected accident takes Jaeha's life, the one to bring her up from the dark depths of despair is none other than Geonwook. Eunsoo thought that she had nothing but hatred for him, but could he be the one to make her see the world in color again?