After the sudden death of ex-Secret Intelligence Service man Alexander, his wife Alison investigates when mysteries from her husband's past come knocking.
Ruth Wilson
Alison Wilson
Iain Glen
Alec Wilson
Fiona Shaw
Coleman
Anupam Kher
Shahbaz Karim
Calam Lynch
Gordon Wilson
Ian McElhinney
Father Timothy
Joy Richardson
Olive
Keeley Hawes
Dorothy Wick
