Arranged marriage to someone you've always dreamed of but you didn't know it was him. Amnesia shrouds Y/N's past, leaving only a persistent dream of a kind boy and a deep well of loneliness. Arranged to marry Taehyung, a name that sparks an unknown familiarity, she steps into a world of whispers and secrets. Taehyung, burdened by a childhood vow and the weight of mafia legacy, hides his burning devotion with icy indifference. As a rival plots to disrupt their families' fragile alliance, Y/N and Taehyung must navigate a labyrinth of forgotten memories, simmering emotions, and hidden dangers. Can they find solace in each other and rewrite their destiny, or will their tangled past and Mr. Lee's scheming tear them apart?