Frodo Baggins learns that the ring that was left by his uncle is the Ring of Power that can give him unlimited power in Middle-Earth. But the original lord of that ring will not rest until he will get it back.
While Frodo is continuing his journey to Mordor Gandalf has to hurry up and gather the forces of good since Saruman has already prepared a large army of beasts.
Survivors of cross-Pacific flight end up on seemingly diserted island, but soon they discover that jungle around them is filled with strange and mysterious phenomena.