Vengeance bites back in heart-pounding thrilIer MuzzIe. The world of an LAPD K9 cop is shattered when his dog is kiIIed in the line of duty. Driven by grief and a quest for justice he plunges into the sinister underbeIIy of L.A. to uncover the truth. He soon encounters dangerous forces lurking in the shadows and must explore the depths of human nature in pursuit of the truth.