The mystery needs to be intriguing. Something involving the lighthouse. A missing lighthouse keeper's log? The disappearance could involve a hidden secret from the past, like a shipwreck. Maybe there's a symbol, like a trident, linking different clues. Including a ghostly ship sighting could add a supernatural twist, but the solution should be grounded in reality.
Twists and red herrings: The tourist might be a distraction, the local fisherman might have a legitimate reason to be in the lighthouse. The historian’s obsession with the past could be a red herring. The actual culprit could be someone unexpected, like a relative of the lighthouse keeper who wants the treasure for themselves. Resolving the mystery through solving the clues, maybe using Amelia's knowledge of marine biology to decipher the trident symbol and find the hidden tunnel. seaside mystery v0280 by kst work
Ending with a resolution where the treasure is found, but it's a historical artifact rather than wealth, emphasizing preservation over greed. Wrap up character arcs, maybe hint at future mysteries in the series. The mystery needs to be intriguing