Britbox thriller series first shown in 2021 about a mother, Frances Cairnes, who takes the law into her own hands to track down the man she believes is responsible for her 6 year-old son's death in a hit-and-run. She ingratiates herself into his family and begins to plot his murder from within.
Starred Cush Jumbo as Frances with Jared Harris playing George Rattery, the loathsome local businessman she believes killed her son. Also starred Geraldine James as Harris's sister Joy. Emily Taaffe played Niamh.