Adam and his new friends, Sally and Watch, find a map to a secret path. But mysteriously, the kids find themselves transported back to 1771 and witness a woman being accused of witchcraft, who could hold the key to unlocking a mystery in the present.

Adam, Sally and Watch head to the Springville lighthouse to explore a young boy's bizarre disappearance. Upon visiting the scene of the crime, the kids find themselves face to face with the ghost of the former lighthouse keeper.