Mrs Wilson 9pm, BBC One
This three-part drama lays out the tangled affairs of Alexander Wilson, an English writer of 1930s spy novels, who later became better known for his shadowy career as an MI6 agent – and, more recently, as the mind-bogglingly messy details of his private life emerged. The story begins with the death of Wilson (Iain Glen) in 1963. As his widow, Alison (Ruth Wilson), and their sons prepare for his funeral, however, strange details begin to emerge, and strange faces turn up at their door. Soon, Alison is left wondering whether she knew her husband at all, and begins examining their relationship, right back to their wartime meeting in 1940. It’s somewhat slow, but it’s an intriguing tale, and lent a curious extra dimension from the fact that star Ruth Wilson is actually their real granddaughter.