This tense psychological drama starring Jodie Comer follows the story of Ivy Moxam, a 26-year-old woman learning to live again after thirteen years in captivity. When Ivy escapes the cellar that's been her prison since she was abducted, it's just the start of her story. She's beginning to pick up the threads of a life half-lived, but they're about to be pulled apart again. Her captor is on the run.