Whoever Slew Auntie Roo? [Hammer Blu-ray]

Gaslit by her domestic staff in cahoots with a phony medium, Auntie Roo's tenuous grip on sanity snaps when she kidnaps young Katy during an annual Christmas party for local orphans. Unable to convince anyone that his sister's life is in imminent danger, Katy's brother must try to rescue her himself.