Metropoliz - Rome, in a former sausage factory currently occupied by and non-EU blocks precarious a man who thinks he's John the Baptist, is welcomed by the locals. The factory is about to open an exhibition contemporary art organized by MAAM, the museum actually built the building busy in defense of 'metropoliziani' continually threatened with eviction. John wanders between artists and befriends children Metropoliz confusing reality with its visions. Its intent is to bring together all the saints in Metropoliz to start preaching from that place but discover to be the performer of one of the invited artists.

影片讲述了一位面对困苦不低头并用自己的方式坚持理想的草根人物，阐释了个人获得幸福所需的最重要的品质——善良和坚韧。影片以平民视角让人们重新认识意大利人倡导的美德，并用辛辣的方式讽刺社会丑恶现象。