Description: Gong In-Ju was dumped by her boyfriend, Ahn Geu-Rim, for no reason. In-Ju, who has been living while depending on Ahn Geu-Rim all this time, feels the emptiness of losing Geu-Rim and plans to get him back. The first thing in the plan is to arouse Geu-Rim's jealousy! To do this, she tries to seduce Seo-Yun, a handsome junior she met during a volunteer work, but Seo-Yun had a crush on someone else... What will the end be for the two people who form an alliance to win over love...?