Dawn is just a typical secretary of the Ceo of a big company. She loves observing people and one of her favorite one to observe to is none other Livius II, one of the most powerful and the wealthiest man in the country. A cold, heartless person, who everyone called as "Mr. Monochrome" or "Monochrome Prince" either way, both perfectly fits his personality. Dawn never wished that their paths will cross. But destiny was cruel to her because her boss, the Ceo offered her something very unexpected and that is, MARRYING MR. MONOCHROME.