Issabella Rose William. The daughter of the King of the Mafia. She is the princess in the gang. Not only the princess but also the light and happiness in the Mansion. Everyone love her. One day, her father died from saving her from the gunshots. There are secret that his father hide from her over 16 years. She never know that she have a mother and a brother who is 2 years older than her that still alive. Why did her father hide it? What will happen when she meets them? Isaac Michael William. The son of the King of the Mafia. He is popular in his school. The leader of his Basketball school team. However, he never know about his father and his sister. When Bella stand in front of him and claim as his sister, he is shocked. How he is going to treat his sister? How is he going to protect his sister from danger?