A married couple both working, with a household income of 15 million... The two-income power couple has a mortgage balance of 80 million... The longed-for waterfront tower mansion life... A career woman wife with a strong need for approval who uploads her fulfilling life to SNS... A tower mansion caste system where upper-floor residents look down on the lower floors... But her husband loses his job and her life plan goes awry... The mortgage they took out as a couple weighs heavily on the household budget... The proud wife doesn't want to let go of the tower mansion... One day, suspicious loan shark men come to visit...