The Love Detectives

While visiting Colonel Melrose, Mr Satterthwaite hears of the murder of Sir James Dwighton, who had recently been in a messy love triangle and the wife and her lover are immediately suspected. But a chance meeting with Mr Quin, changes Satterthwaite's perception of the facts.

Colonel Melrose features in two other Agatha Christie Stories. He was the Chief Constable in The Secret of Chimneys and The Seven Dials Mystery. This story was written around the same time as the stories that feature in The Mysterious Mr Quin. Mr Quin was Agatha Christie favourite creation and she described him as a "catalyst" and friend of lovers.

It was published in Flynn's Weekly in 1926 under the title At the Crossroads. The story was first published in book form in Three Blind Mice and Other Stories (US) in 1950 and later included in the collection Problem at Pollensa Bay (UK) in 1991.

It has never been adapted.