Preacher is a television series that is based on the comic book series written by Garth Ennis. It is the story of Jesse Custer, a conflicted preacher in a small Texas town who is inhabited by a mysterious entity that allows him to develop a highly unconventional power. Jesse embarks on a journey to, literally, find God, joined by his ex-girlfriend, the assassin Tulip, and an Irish vagabond named Cassidy.