比利(丹尼斯·霍珀 Dennis Hopper 饰)和怀特(彼得·方达 Peter Fonda 饰)用一次毒品买卖的钱骑着他们的机车上路了,他们的目标地,是新奥尔良的狂欢节。在路上,他们经由了离群索居的波西米亚人群落,短暂勾留的数天里目击了他们自由放浪但也贫困困苦的生存。在德克萨斯州,他们仅因为举动举止诡异就被差人关进了牢狱,在那边,他们碰见了律…
A social worker, still reeling from the loss of her architect husband, investigates the eccentric, psychedelic Wadsworth Family, consisting of a mother, two daughters, and an adult son with the apparent mental capacity of an infant.