When Tammy Warren, a dear friend and colleague, is killed while on an undercover assignment, Jo Moody decides to seek revenge by taking on her dangerous assignment in the drug world. Jo gets herself known at the club where Tammy was working and meets Judy Taylor, who is supplied with drugs by her boyfriend, a drug courier. But when both Judy and the boyfriend are murdered, Jo escalates her attempts to discover what really happened to Tammy.—Scott Murray