A blind recluse with an unusual hobby, a telekinetic pantomime dwarf, an embittered hook-handed clown, a serial killer-obsessed man-child and a deranged but caring midwife all receive the ominous message 'I know what you did'. The past catches up with these five seemingly unconnected characters as they go about their darkly comic present-day lives.

Midwife Joy is left alone with her demonstration doll Freddy when a Pinocchio-like miracle happens. David and his mum lure their next victim to a waxwork museum, and Mr Jolly explains to Mr Jelly the reason for the blackmail letters.

The survivors of the explosion at Ravenhill Psychiatric Hospital reunite to bury one of their number killed in the blast, but there is to be no rest for the wicked.

The search for the missing locket continues with the investigation turning to Christopher Biggins for answers. Meanwhile, we find out what happened to Robert and Kerry as we return to the mysterious cottage in the woods.