Jang Hyun, a cold and distant man, finds new meaning in life after meeting the spirited and charming Gil Chae. But Gil Chae’s heart belongs to her fiancé, Yeon Jun—a principled Sungkyunkwan scholar caught between love and duty. Though he harbors feelings for Gil Chae, he can’t break off his arranged engagement, bound by tradition. Meanwhile, Eun Ae, Gil Chae’s best friend and Yeon Jun’s fiancée, remains unaware of the emotional storm brewing around her.

As Jang Hyun is drawn deeper into this tangled web of love and longing, war breaks out, throwing their lives into turmoil. Amid chaos and heartbreak, can love endure—and will any of them come out unchanged?