Jacob (Anton Yelchin) returns to his desolate hometown and discovers that his child-like brother, Buddy (Chris Marquette) is working for a notorious gang. The gang's ruthless boss (Vincent D'Onofrio) has exploited Buddy's simple mind and manipulated him into becoming a merciless killer. Jacob realizes the only way to save Buddy is to take down the gang from within. Broken Horses is a gritty, epic thriller about bonds of brotherhood, laws of loyalty, and the futility of violence.