This is the scene when Amir goes to Pakistan to meet Rahim Khan.
In this scene, Rahim Khan tells Amir the truth about his life and about Hassan. Amir finds out that Hassan is half brother and that the Taliban killed him, his wife, and left his son an orphan. Rahim Khan tells Amir that the way to be good again is to find Hassan's son and take him to America forgetter chance at life.
Amir doesn't take this news very well. He storms out the house and walks down the street. However, he soon realizes he needs to find Sorhab. This is his way up making up his guilt after all these years.
Amir goes back to Rahim Khan's house and he finds him praying. He tells Rahim Khan that he agree that he will go find Sohrab.
Amir goes out to find Sohrab, he goes to an orphanage to find him.
In the end, after all the chaos, Amir finds Sohrab and takes him to America.