大选终于结束了，选民已投下神圣的一票，连任的巴特勒执政团队在本季展开野心勃勃的第二个任期，巴特勒的执政团队自有一套议程及使命，但历史潮流却处处和他们作对。　　许多事件都在这一季中浮上台面，山姆离开转向共和党争取国会席位，副总统闹出丑闻，非洲种族屠杀事件引发了干预他国内政的问题，更使得一向极为大胆的外交政策应运而生。一次令人匪夷所思的事件导致总统替补人选宣誓就任。1. S4 EP18:
"politics is the slow boring of hard boards, and anyone who seeks to do it must risk his own soul."
2. S4 EP23:
Franz Ferdinand who was the nephew of the austrian hungarian emperor was killed by a group called the Black Hand and because they were Serbian national society the emperor declared war on Serbia,then Russia which was bounded by a treaty was forced to mobilize, which made germany had to declare war on russia, then france declared war on Germany, and that was WWI.