One of the top stories could be about the discovery of the keys and their unique powers. For example, the Head Key which allows access to a person's mind.
Well, the exploration of the different dimensions that the keys can open is a key (no pun intended) part of the top stories too. It's a world full of mystery and magic that the Locke family has to navigate.
Well, there are fanfictions that expand on the villains in Locke and Key. Maybe a story that shows how Dodge came to be so power - hungry in the first place. It could explore his past and the events that led him to seek the keys so desperately. Some fanfictions might also introduce new villains or threats to the Locke family, creating new and exciting plotlines that are different from the original series.
The 'Locke and Key' story is about a family that moves into Keyhouse, a mysterious mansion filled with magical keys. Each key has its own unique power. For example, the Head Key can unlock people's minds and access their memories. The story involves the Locke family's adventures as they discover and use these keys while also facing off against various villains who want the keys for their own malicious purposes.