The brilliant BBC drama gets better with each passing week and the wonderful David Threlfall proves he's one incredibly versatile actor with this latest role. Nobody in Number Eight seems too trustworthy and as Len begins to find skeletons in the closet, there are a few shocking revelations on the cards. Chief among them is the fact that missing Melissa was involved in an intimate relationship with a neighbour. Which one? You'll have to watch to find out now, won't you?