For Alice, Harry and their daughter, Charlotte, moving into their dream home quickly becomes a nightmare when Harry is found dead at the bottom of the stairs.

Cast: Keeley Hawes, Isabella Pappas, Gemma Jones, Kenneth Cranham, Jason Merrells, Matthew Flynn, Charlyne Francis, Joanna Lumley, Nigel Havers, Olivia Bernstone, Rhashan Stone, Dominique Moore, Jane Shakespeare, Philip Bird, Sharon Rooney