Namwoo wakes up one night to find bills scattered throughout his room, and a vague recollection of a charming stranger. His main desire is to have enough cash to get by each month, even in his wildest fantasies. In contrast, Si-eon has all the things he could ever desire, except for happiness. Fascinated by Namwoo's humble ambitions, Si-eon agrees to give him the money he requires, but going out with him is a must.