Roman Polanski's grim and unsettlingly graphic read on Shakespeare's "Scottish play" stars Jon Finch as the war hero who succumbs to his own ambitions, and those of his calculating wife (Francesca Annis), in betraying and slaying his liege (Nicholas Selby), but learns that taking power and keeping it are two different matters. Martin Shaw, Terence Bayler, John Stride also star. 140 min. Widescreen (Enhanced); Soundtrack: English Dolby Digital stereo; documentaries; theatrical trailers.