In Huntington Beach, CA, two well respected doctors, Carolyn and Ken Stahl, are found shot to death on the side of a highway. As police unravel this baffling case they find the power couple had a less than perfect marriage. And later, in a quiet suburb of Detroit, beautiful businesswoman Tara Grant disappears after returning home from a trip. When a bloody plastic bag is found in a nearby park, this missing persons case turns into a murder investigation.