Mary Ellen brings her children on the boat to Sabines Island. Through the binoculars, she is stunned to see the orange Mustang in her beach house driveway. Her husband Tony is alone painting the house and the car belongs to a twenty-three-year-old provocative woman, Su Lee. Kel, a retired police officer helps her investigate the mischief. Su Lee’s presence to three deaths and then a fourth, prompts Kel to unravel her background. Mary Ellen finds herself alone in the beach house to face a possible killer as she fights for her own life.