Soon thereafter, they reach Amon Hen, and the fellowship fragments.
Aragorn allows Frodo to leave with the Ring and make his own way to Mordor.
As they are ambushed by a group of Uruk-hai, Aragorn, Gimli and Legolas protect Frodo, giving him time to escape with Sam.
Meanwhile, Boromir is left alone to protect Merry and Pippin.
He is overwhelmed by the numbers, and is fatally wounded by the Uruk-hai leader, Lurtz.
Merry and Pippin are then taken captive by the Uruk-hai.
Before Boromir, dies, Aragorn, Legolas, and Gimli reach him and vow to avenge his death.
They kill Lurtz and set out in pursuit of Merry and Pippin.
This brings them to Fangorn Forest, where they encounter a wizard.
Initially believing it to be Saruman, they soon realize it is Gandalf, who has been resurrected by the Valar.
Merry and Pippin are also safe, having escaped their captors and come under the protection of the ent Treebeard.