The Substitute Bride & Her Mad Prince

Two sisters, one noble and one scorned, find their lives entwined by blood and deceit. While a secret prince watches over Abigail Carter, the Palace becomes a cage of shadows and blades. A father's brutal murder shatters their last ties, turning sister against sister in a ruthless pursuit of survival. In a game where trust is a death sentence, will they find redemption, or will they be destroyed by their own ambition?