In “Muzzle: City of Wolves,” Jake Rosser (Eckhart), haunted by PTSD from his days as a K-9 officer,

In “Muzzle: City of Wolves,” Jake Rosser (Eckhart), haunted by PTSD from his days as a K-9 officer, endeavors to lead a peaceful life with his family and retired K-9 companion, Socks. But the tranquility quickly dissolves when a ruthless gang targets them