Frodo and Sam continue their quest to destroy the all-powerful ring, bringing them face to face with the magical artefact's twisted former owner Gollum. Meanwhile, their allies prepare to make a desperate last stand against the vast armies of the corrupted wizard Saruman, who has declared war on a neighbouring kingdom. Part two of Peter Jackson's fantasy adventure trilogy, starring Elijah Wood, Sean Astin, Viggo Mortensen, Ian McKellen, Billy Boyd, Dominic Monaghan, Andy Serkis and Christopher Lee.