Dohyun remembers the time he spent with Sungho and their escapades to the school s warehouse. Back then, Sungho was in love, while Dohyun was happy just to have sex from time to time. This left Sungho feeling used and betrayed, plotting his revenge. However, looking back, Sungho is beginning to have doubts that Dohyun s past behavior justifies his kidnapping and torture.