The Peanut Butter Falcon is an adventure story set in the world of a modern Mark Twain that begins when Zak (22), a young man with Down syndrome, runs away from the nursing home where he lives to chase his dream of becoming a professional wrestler by attending the wrestling school The Salt Water Redneck. Through circumstances beyond their control Tyler (32), a small-time outlaw on the run, becomes Zak's unlikely coach and ally. Together they wind through deltas, elude capture, drink whisky, find God, catch fish, and convince Eleanor (28), a kind nursing home employee with a story of her own, to join them on their journey. 怪诞兄弟南行记。 无亲无故的扎克（扎克·高察根 Zack Gottsagen 饰）是一名唐氏综合症患者，政府不得不将他安置到了一家养老院中，在这里，善良的扎克非常讨人喜欢，与此同时，他亦和在这里工作的名叫爱丽诺（达科塔·约翰逊 Dakota Johnson 饰）的护工之间结下了深厚的友谊。 扎克是一个摔角迷，每天，他都要看一段摔跤比赛的录像，这段录像是由一个化名“咸水乡巴人”的人录制的。扎克的人生理想就是能够前往录像中所记录的摔跤学校。在室友卡尔（布鲁斯·邓恩 Bruce Dern 饰）的建议下，扎克开始尝试“越狱”，并且最终成功，就这样，他踏上了圆梦之旅。
