The first trailer has dropped for Hulu's limited series "Under the Bridge." It's based on the Rebecca Godfrey book of the same name and tells the story of a 14-year-old girl who went to meet friends at a party and never came home. The series stars Riley Keough and Lily Gladstone as they investigate the world of the girls that are accused of murder. "Under the Bridge" will debut on Hulu on April 17th.