Tonton Streaming Crooked House (2008) S1E3 - The Knocker

Back in the present day, commitment-shy Ben begins to discover that, though demolished, Geap Manor casts a long shadow. Having recently left his girlfriend Hannah for a life of excitement over cosy domesticity, he is excited by the curator's stories and screws the ancient door knocker to his new front door. However, Ben soon finds himself getting more excitement than he bargained for as the past begins to intrude rudely with a loud nightly knock and a terrifying journey into the Manor's bloody past.