A shooting in broad daylight in the city of Waterloo, Iowa leaves two dead. Investigators Camarata and Moller follow a trail of bloody footprints to a list of suspects and an unexpected lead from a knowledgeable confidential informant.

Women are found brutally murdered and panic strikes Baton Rouge, LA. The city suspects a serial killer is on the loose. In an example of police work at its finest, detectives lead investigators to an unlikely suspect hiding a dark secret.