All new Poirot, this Sunday on Masterpiece

Don’t miss Third Girl, this Sunday at 9 PM on PBS!

Distraught heiress Norma Restarick visits Hercule Poirot with an alarming story — she may have committed a murder. When Norma’s childhood nanny is found dead, Poirot and his fiction-writer friend Ariadne Oliver are drawn into Norma’s haunting past. But there is some very real danger in the present, and Poirot must devise a plot to lure a killer. Based on the novel by Agatha Christie, Third Girl stars David Suchet and Zoë Wanamaker. (One episode; 90 minutes; TV-PG).

You can watch the promo here:

http://video.pbs.org/video/1526930470/