Red

Avery Ludlow, a reclusive older man, has a best friend in his dog, Red. When three teens kill Red without reason, Avery sets out for justice and redemption, attempting to follow the letter of the law. But when the law fails him, and the boys' father clearly defines right and wrong in his own way, Avery must avenge himself by any means possible.

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Some movies that have similar genres and were produced around the same time as Red include Unthinkable, Rise of the Planet of the Apes, Prisoners, The Departed, The Lincoln Lawyer, Exhibit A.