Battle Creek (2015)

S01E03 Man's Best Friend

BCPD’s police dog, Cookie, discovers a hidden supply of heroin in a young girl’s backpack, prompting Russ and Milt to clash over their differing theories about its origin and purpose. Meanwhile, Jacocks heads to Detroit for a training seminar, but he has a secret agenda: to uncover the reason behind Milt’s assignment to Battle Creek.