1Episode 1
After the sudden death of novelist and ex-Secret Intelligence Service man Alexander Wilson, his wife Alison is forced to investigate when mysteries from her husband's past coming knocking.
2Episode 2
Visiting Coleman again, Alison demands to know who Dorothy is. Coleman tells Alison to stop digging and darkly suggests that, if she persists, she may jeopardise her sons' futures.
3Episode 3
Faced with conflicting explanations of her husband's past and a startling revelation about his work, Alison finds herself questioning everything she thought she knew.