A newly-released prison gangster is forced by the leaders of his gang to orchestrate a major crime with a brutal rival gang on the streets of Southern California.

When his long-lost outlaw father returns, Tommy "White Knife" Stockburn goes on an adventure-filled journey across the Old West with his five brothers.

Thomas and his fellow Gladers face their greatest challenge yet: searching for clues about the mysterious and powerful organization known as WCKD. Their journey takes them to the Scorch, a desolate landscape filled with unimaginable obstacles. Teaming up with resistance fighters, the Gladers take on WCKD’s vastly superior forces and uncover its shocking plans for them all.