In Mr. Swainey's production of 'Nosferatu The vampire', the actor who was supposed to play the vampire doesn't show up so Nick asks Victor to take the part. He did. Later, blood was found in Victor's digestive system during a test - after fearing the worst, the doctors discover that the blood was from an undercooked black pudding that was earlier given to Victor by Mrs. Warboys! later that week, whie on their way to visit the dreaded Ronnie and Mildred once more, Victor and Margaret are shocked to discover that Mildred has killed herself while playing a game of 'Happy Families' - they are even more shocked to discover that her body is still hanging outside the house! (thetvdb.com)