From groundbreaking director Emerald Fennell (Killing Eve) comes a delicious dark comedy. 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’s 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 in this thrilling and wildly entertaining story. Also starring Bo Burnham, Alison Brie, Clancy Brown, Jennifer Coolidge, Laverne Cox, Chris Lowell, Molly Shannon, and Connie Britton.