As teenagers, Kristin Dane and her two best friends took a vow to make the world a better place. Twenty years later, she's fulfilling that pledge through her fair trade shop that features products from around the world. All is well until, one by one, people connected to the shop begin dying. Detective Luke Carter, new to the St. Louis PD, wants to know why. Before he can answer that question, however, the FBI weighs in and Kristin suddenly finds herself...