Nica Joy Rodriguez has built walls around her heart, dismissing affection as weakness. Cold-blooded and ruthless—even toward her own father—she wears her cruelty like armor. "Who cares?" is her life's creed, a shield against a world she refuses to need. Chrismith Yuchan abandoned his passion for music and guitar to fulfill family obligations, but he harbors a darker purpose: to humble a woman intoxicated by her own superiority. Everything shifts the moment they collide. Can he break through her defenses and claim what burns between them, or will her untamed nature consume them both? In a game of possession, revenge, and twisted desire, one song might be all it takes to shatter her frozen heart—but at what cost to his soul?