Cal (Jai Courtney) is a by-the-book police officer who, along with his close-knit group of childhood friends, makes ends meet as a Marine Corps reservist. When Cals reckless younger half-brother Oyster (Nat Wolff), is arrested after a bar fight and given an unfair prison sentence, Cal-driven by his loyalty to family and fierce code of honor fights for Oyster in this gripping tale of brotherhood and sacrifice.