Private eye Doc Sportello's ex-old lady shows up with a story about her current billionaire land developer boyfriend whom she just happens to be in love with, and a plot by his wife and her boyfriend to kidnap that billionaire and throw him in a loony bin.
In post-World War II America, a naval veteran arrives home unsettled and uncertain of his future, until he is tantalized by The Cause and its charismatic leader.
"Kevin's mother struggles to love her strange child, despite the increasingly vicious things he says and does as he grows up. But Kevin is just getting started, and his final act will be beyond anything anyone imagined."--Imdb.