The protagonist struggles with feelings of guilt and social taboo.

When they reached Jung-tae’s penthouse, he didn't get out. Instead, he leaned forward and made Min-goo an offer that sounded more like a deal with the devil: .

The story follows Jung-tae, who has transformed his life into that of a highly successful businessman. By chance, he calls for a substitute driver and discovers it is Min-goo—the man who married his long-time crush, Yoo-ri.

The story follows , a man who has achieved significant success as a businessman. His life takes an unexpected turn when he calls for a substitute driver and discovers the driver is Min-goo , the man who married his long-time crush, Yoo-ri .

Upon learning that the couple is struggling financially, Jung-tae makes a controversial offer: he will give Min-goo 300 million won and his house if Min-goo allows him to live with Yoo-ri for one year. The film revolves around the emotional and ethical fallout of this arrangement.