A team from Crescent TV is filming a documentary about ghosts at Renfield Hall. All is going well until a heavy lamp mysteriously falls from its stand, injuring Joe, a technician. Shortly afterwards, blood appears on the portrait of Philomel, a young beauty murdered at the Hall in Victorian times. The events of Philomel's murder have frightening parallels in the lives of everyone present. The elements of a ghost story combine with those of a murder thriller to produce a drama with numerous satisfying twists.