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 Cal's 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.