Fielding Mellish（伍迪·艾伦 Woody Allen 饰）是一个产品测试公司的小职员，他喜欢上一个叫Nancy（露易丝·拉塞尔 Louise Lasser 饰）的女孩。Nancy热衷社会运动和民主革命，却对Mellish没什么兴趣。她去了一个叫San Marcos的国家参与了当地的革命，而为了追随心上人，Mellish也随之去了那里。他阴差阳错的加入了革命军，经过浴血奋战，革命终于成功。原来革命军的领袖却成为了新的独裁者，随即被推翻，Mellish被选举成为新的领袖，顿时威风八面。Mellish更作为国家领导出访美国，受到了隆重的接待。Nancy也十分倾慕这个革命领袖，想方设法接近他，却没料到此人竟是她之前甩掉的Mellish......

这部电影以闪回的形式讲述了麦金迪因帮助选举作弊而获得政治集团的青睐，甚至当上了有名无实的市长一职。这种政治生涯需要他结婚组成家庭来服众，然而妻子凯瑟琳使他认识到他以前的行为是错误的

Women (Shirley Jones, Stella Stevens) and his mother help an English constable (James Booth) rise to ruler of a banana republic.

Banana Split takes the viewer on a journey that begins with the hustle and bustle of a fruit market in Thunder Bay, and ends up with an examination of the daily challenges of life in Honduras. In addition to being a popular fruit in Canada, bananas are used as a staple food in more than 100 tropical and sub-tropical countries.