When Haena finds herself transported into her treasured novel as the notorious Duchess Roselia Chade, she revels in a life of luxury, influence, and a newfound family. However, her bliss is tainted by the unsettling truth that her cherished stepson, Einspanner Chade, is fated to be her eventual murderer. Despite Einspanner's current innocence as a lovable child, Roselia is resolute in her mission to avert his descent into malevolence. Yet, her efforts are thwarted by the scheming duke, who seeks to eliminate his own son. Navigating the complexities of parenthood in the face of impending tragedy, Roselia must rewrite their dark fate to secure the safety of both herself and the young boy she is determined to save.