Christina Hess is a 9th grade Chemistry teacher at Dallas High School. Jolene Preston is a patrol officer in the neighboring city of Marilynn, Oregon. Christina and Jolene's wedding day is made even more special by the fact that their brothers will be joining them in a double wedding ceremony! Christian, Christina's older brother and Jolene's partner on the force, ties the knot with Jolene's twin brother, Joseph. Seems like a pretty fantastic life, right? Wrong.Someone is blowing up female police officers.Jolene and Christian are loaned out to the Dallas Police Department, to help with local patrol. This leads to tension between Jolene and her wife, who is terrified that Jolene will be targeted. As time goes on, and the investigation into the identity of the bomber stalls, Christina's fears finally begin to ease.Then it happens. While on duty, Jolene and Christian are seriously injured. Will the bomber claim yet another victim? Or, will the attempt on Jolene's life provide the crucial clues needed to finally solve the case?