When the coroner can’t decipher the mysterious plaster residue on each of a new killer’s victims, FBI Special Agent Faith Bold know she is up against a diabolical and mastermind killer—and that she will need her K9 German Shepherd, Turk, to help crack the case. But Faith, still reeling from her own demons, is fragile, and even with Turk’s strength and loyalty, Faith knows that this just may be the case that pushes her over the edge.