Coop's death takes its toll on Sam and the rest of the VCTF team. Hoping it will help Sam to regroup emotionally, Bailey and Angel persuade her to join some of her old friends at a college reunion. There, she and Angel reunite with friends Colleen, Drew, Greg, Monica, Tracy, and Roy. An enjoyable holiday gathering quickly becomes a nightmare when Colleen is murdered. Angel and Monica urge Sam to investigate the case and bring their friend's killer to justice. All the evidence points to Colleen's husband Drew, whom Sam never liked. Soon another friend, Roy, who may have been a witness to the crime, is murdered. Sam sets out to prove Drew guilty of both crimes. Just when she finds the evidence she needs, Drew is found dead - the victim of an apparent suicide. Back in Atlanta, Sharon strikes out on her own and murders a shop clerk. The team investigates and starts to make headway in their search for Jack and his lethal accomplice. At Jack's lair, Sharon learns of Jack's obsession with Sam