Three single girls share a London flat. The first works as a secretary; the second is an artist; the third, who comes to Poirot for help, disappears believing she is a murderer.
Quest roles:
Zoƫ Wanamaker(Ariadne Oliver), Tom Mison(David Baker), Jemima Rooper(Norma Restarick), Clemency Burton-Hill(Claudia Reece-Holland), Matilda Sturridge(Frances Cary), James Wilby(Andrew Restarick), Peter Bowles(Sir Roderick Horsfield), Lucy Liemann(Sonia), Haydn Gwynne(Miss Battersby)