Under the Banner of Heaven is a television series on Hulu that is based on the true-crime book by Jon Krakauer. The show follows the story of two brothers who commit a gruesome murder in the name of their religious beliefs. It explores the dark side of the Mormon faith and the violent acts committed by its followers. The show features a talented cast that brings the characters to life and keeps the audience on the edge of their seats. Although the show has ended, fans can sign up for a reminder just in case it returns. Under the Banner of Heaven is a must-watch for fans of true-crime and suspenseful dramas.