里昂市长保罗感到很不安。在从政三十年后他发觉自己已没有什么新思维，感到非常空虚。他的团队决定聘请爱丽丝，一位才华横溢的哲学家来为他解决这问题。爱丽丝与市长因而展开一连串的对话，这让他们经常接触，并且动摇了他们的信念。问题也逐渐出现：政治和反思是否能够兼容？

A famous french actor is poisoned and dies right in the middle of a play. Martin, an actor friend, is soon suspected by the police while being hunted by the mysterious organization which ordered the murder.