John (BAFTA-winner JARED HARRIS - Chernobyl, The Crown) and Mary (JULIET STEVENSON - Truly, Madly, Deeply) have grieved for ten years after their daughter Clare (Emmy winner ERIN DOHERTY - Adolescence, The Crown) vanished at fourteen. When Clare suddenly returns, Mary is overjoyed—but John suspects she’s not who she claims. As old tensions resurface, a gripping search for the truth unfolds.