Poirot 'The Third Girl'
ORIGINAL BROADCAST: Sunday, 7/18/2010 at 9:00 p.m. ET on CPTV (Check Listings)
A demon-haunted heiress is convinced she has committed murder, but Poirot believes she is innocent. Eccentric crime novelist Ariadne Oliver (Zoë Wanamaker, “Gormenghast”) helps the great sleuth crack the case.