It tells the story of Butler Kim, who runs errands that begin at a cost of 100 won per job, and funeral director Baek Dong Joo, who grants the wishes of the dead, as they operate an errand-running business called Ildangbaek (meaning one person doing the work of 100, and in this specific case, also referring to the fact that one errand costs 100 won). (Source: Soompi)Edit Translation