Brooke Wyeth returns home to Palm Springs after a six-year absence to celebrate Christmas with her parents, her brother, and her aunt. Brooke announces that she is about to publish a memoir dredging up a pivotal and tragic event in the family's history—a wound they don't want reopened.
One plucky community theater is about to produce a show called Murder Most Foul: a new “murder mystery play” with the same title as an Agatha Christie novel but with no relation whatsoever. A hilarious love letter to community theater.
John Worthing, a carefree young gentleman, is the inventor of a fictitious brother, “Ernest,” whose wicked ways afford John an excuse to leave his country home from time to time and journey to London, where he stays with his close friend and confidant, Algernon Moncrieff.