The Visitor (2007)

Miss Tandy was the owner of the second most luxurious cat hotel in the world. She would take much pride in her work and ensured she catered to all the esoteric needs of her clientele. Miss Tandy faced just one obstacle to her happiness: the ring of the door bell each time an owner arrived to reclaim their cat. Unable to face the loss of even one more of her darlings, Miss Tandy begins to devise various methods and techniques to 'manage' these unwanted disruptions. This is until one stormy night when a mysterious stranger arrives at her door.