Private investigators Dora Ellison and Missy Winters are hired to investigate the murder and mutilation of a woman killed by a high powered automatic rifle. Soon a second, similar murder is committed, and the investigators learn that the victims share a biological connection. As their investigation grows, Dora and Missy's relationship deepens into something more. Who would commit such brutal murders and why? Can Dora and Missy survive their investigation and stop the killer before more people die?