Bates Motel

The Bates Motel is a crude inn formerly owned by the psychopathic Norma Bates, and later her son, Norman, after he fatally poisoned her.

However, half of Norman's brain adapted to his mother's personality, so Norma constantly "possessed" his son and used his body to spy on the woman who entered themselves into the motel before hunting them down and slaughtering them.