As her marriage crumbles, a judge must decide a case involving a teenage boy who is refusing a blood transfusion on religious principle.

A group of friends think they find an easy score at an empty house with a safe full of cash. But when the owners, an elderly couple, come home early, the tables are suddenly turned.

In 1926, with her personal life in tatters and her writing in crisis, a young Agatha Christie decides to solve a real-life murder.