Kyuhyun and Sungmin are married couple, they have been married for 6 months already. After living and sharing apartment together with Kyuhyun’s roommate Siwon, they decide to move out and buy their own apartment for their own family in the future. But there is a big problem that Kyuhyun just found out when they try to ask for a loan to buy the apartment and that lead them to their biggest argument ever, then Sungmin come up with an unconventional solution to that problem. Will the plan ever work up? Will this solution have any effect on their marriage?