Lost Hobbits Frodo (Elijah Wood) and Sam (Sean Astin) discover they are being followed by the mysterious Gollum (Andy Serkis). A mercurial creature who has himself been warped by the Ring, Gollum promises to guide the Hobbits to the Black Gates of Mordor if they will release him. Sam does not trust their new companion, but Frodo takes pity on Gollum, who like himself was once a Ringbearer...