Take a look at the third and final season of the supernatural TV series "Locke & Key", based on the comic-book series of the same name by Joe Hill and Gabriel RodrÃguez, streaming August 10, 2022 on Netflix:
"...after 'Rendell Locke' is killed at the hands of former student 'Sam Lesser', his wife 'Nina' decides to move with her three children, 'Tyler', 'Kinsey' and 'Bode', from Seattle to Matheson, Massachusetts, and take residence in Rendell's family home,' Keyhouse'.
"The children soon discover a number of mysterious keys throughout the house that can be used to unlock various doors in magical ways. They soon become aware of a demonic entity that is also searching for the keys for its own malevolent purposes..."