Trini Kwan was just five years old when she and her entire family died in a house fire. Her father is a mean-spirited ghost and will try to harm those who enter his home. Her Mother is a kind woman who tries to keep her husband from haunting the humans. Trini's older sister Sabrina is a 16-year-old moody teenage Trini is a very sweet and kind ghost who just wants to make friends. She sometimes is seen bouncing a red ball or heard laughing or singing.