Leon是个社会学的大学肄业生，很不幸地，他学建筑的女友 Leticia爱上了一个医学院的学生Paulo，Paulo还是Leon的朋友和室友。正因为这样，这个复杂的三角关系没有办法简单化，不断地为他们之间的感情和友谊制造紧张气氛……

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 childhood friends, whom he believes let him take the fall for a crime they collectively committed. As the bodies start piling up, one of the friends, now a cop, will stop at…