From IMDB:

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 come knocking.

From PBS Passport (also called PBS Masterpiece Streaming) you can stream the 3 episodes of this Masterpiece drama. Each episode is less than an hour.

Mrs. Wilson is based on the true story of actress Ruth Wilson’s grandmother, Alison, who discovered, upon the sudden death of her husband Alec, that he had another, secret family. … And it’s up to Alison to prevent her family and her world from being torn apart as she unravels them, one at a time.

Ruth Wilson, who plays her grandmother Alison, and Iain Glen, who plays the intriguing Alex Wilson,  are more or less the entire story. Rather than spoil the plot for you, let it suffice to say that Alison spends all three episodes trying to piece together her late husbands “adventures.”

Certainly you have seen Iain Glenn in many different productions. For example he played Jorah Mormont in Game of Thrones.  If you have never watched Ruth Wilson I would recommend your seeing her as Alison Bailey in The Affair  and as the diabolical Alice Morgan in Luther.

DO NOT MISS!