Ji Woo wants to become a violinist and perform with famous pianist Jae Yeong. In Ji Woo's dream, there is a man who helps Ji Woo in the past and tells her to find him. One day, a mysterious being who calls himself a "Mong Sin" appears in front of Ji Woo. Mong Sin suggests a dream deal, saying, "If I sell a dream featuring a man, I will make Ji Woo's dream come true." Ji Woo takes a step closer to her want. Every time a deal with Mong-sin is made, at the same time, Ji Woo will get a clue about the man appearing in her dream one by one. Then the clues say. One of the three men next to Ji Woo: Seo Jin, Woo Bin, and Jae Yeong, is the man in the dream. The pieces of the dream puzzle connecting the past, present, and future begin to be put together! (Source: HanCinema)Edit Translation