The Stranger (2015) is another excellent, but short, novel by the master of the intriguing plot.
A stranger shows up at a bar tells Adam Price a devastating secret about his wife, Corinne.
… But that is only the beginning of Adam’s problems.
Corinne explains that there is more to her deception than appears on the surface, and wants to meet Adam alone to discuss it. She never shows up for the meeting and seems to have disappeared.
More secrets are discovered to have been revealed or leveraged by The Stranger, threatening to not only ruin lives, but end them
The novel was made into a British television limited series of the same title that was released on Netflix in January 2020.
It looks like the TV show is very loosely based on the book.
Click PLAY or watch it on YouTube.