In 1966, Lee Marvin showed up drunk to the movie set and destroyed a prop gun. What happened next would end up costing a studio millions, destroy a Hollywood friendship forever, and make his co-start swear he'd "rather wrestle a grizzly bear" than work with Marvin again. From drunken delays to revenge punches, this is the untold story of why Lee Marvin’s co-star refused to work with him again.