Promising Young Woman is a 2020 American drama thriller film, written and directed by Emerald Fennell in her directorial debut. It stars Carey Mulligan, Bo Burnham, Alison Brie, Clancy Brown, Jennifer Coolidge, Connie Britton and Laverne Cox. Everyone said Cassie (Carey Mulligan) was a promising young woman, until a mysterious event abruptly derailed her future. But nothing in Cassie’s life is what it appears to be: she’s wickedly smart, tantalizingly cunning, and she is living a secret double life by night. Now, an unexpected encounter is about to give Cassie a chance to right the wrongs of the past.