Desc: Cô Gái Trẻ Hứa Hẹn: Directed by Emerald Fennell. With Adam Brody, Ray Nicholson, Sam Richardson, Carey Mulligan. Nothing in Cassie's life is what it appears to be - she's wickedly smart, tantalizingly cunning, and she's living a secret double life. Now, an unexpected encounter is about to give Cassie a chance to right the wrongs from the past.