A weekend party at the Angkatell's estate, The Hollow, is the perfect prescription for physician John Christow. The celebrated doctor longs for a little R&R and a rendezvous with his mistress, Henrietta. But romantic rivalry complicates the country escape as the doctor dodges both his wife and actress Veronica Cray. Famous crime man Hercule Poirot arrives to find Dr. Christow permanently extricated from his affairs by a revolver at close range.