Jagger

In this gripping tale, Amy treasures her bullmastiff, Jagger, who becomes the target of her best friend's boyfriend, Clayton, after he steals him to redeem his losses from a botched dog fight. Desperate, Clayton uses a medical school dropout's help to transform Jagger into a ruthless, pain-resistant killer, unleashing chaos as the once-loyal dog becomes a monstrous force. As Jagger breaks free, he heads back to Amy, leaving a trail of destruction in his quest for revenge against those who betrayed him.