Complex sentence: After the head of a band of outlaws is captured, he engages in a battle of wills with a rancher who is hired to take him to stand trial, while the gang also does its best to free its leader.
Split into simpler sentences: After the head of a band of outlaws is captured, he engages in a battle of wills with a rancher who is hired to take him to stand trial. The gang also does its best to free its leader.