| Mother of two, Elisa, allows her daughter, Lucia, to go on an impromptu sleepover with her new best friend Josephine after meeting Josephine's mother, Rebecca, at her beautiful home. But when Elisa arrives to collect Lucia the next day, the house turns out to be an empty luxury rental and Lucia has been abducted. |
| Name | Character | Episodes |
|---|---|---|
| Holliday Grainger | Rebecca | 5 |
| Jim Sturgess | Fred Blix | 5 |
| Denise Gough | Elisa Blix | 5 |
| Layo-Christina Akinlude | DS Lizzie Walker | 5 |
| Bronagh Waugh | DI Shona Sinclair | 5 |