Brother's Blood takes place on the mean streets of a city in decay, where a recently released convict begins to take murderous revenge against his

　　美丽女孩希瑟（亚历珊德拉·达达里奥 Alexandra Daddario 饰）原本过着平凡的生活，可却在某天得知自己并非现在父母所生。在此之后，她和男友瑞恩（Trey Songz 饰）、朋友妮基（坦妮娅·雷蒙德 Tania Raymonde 饰）、妮基的男友肯尼（Keram Malicki-Sá