Ruth Wilson stars in this three-part drama, playing a particularly unusual role: her own grandmother Alison.
In 1960s London, Alison’s husband Alexander (aka Alec, played by Iain Glen) suddenly died. Then, a stranger appears leading Alison to discover that Alec had left a web of intrigue and deception behind him during his past live as a secret service agent. Alison attempts to uncover these mysteries that date back to the 1940s.
Mrs Wilson is on BBC One at 21.00.