Elizabeth Wallace

A down-on-his-luck academic is called to the side of his ex-wife, who may or may not be suffering from a debilitating disease.

An estate agent arranges to meet a couple for a viewing at a flat.

Meet Ellen Sheppard, an American living in Britain. Her English husband, Jason Sheppard, has been killed and she's under suspicion despite the appearance of a happy marriage. Jason's friend assists Ellen go over the facts to see if they can find the real killer.

Story of how American secret agent pursued by enemy agents, hides out at remote English farm