It's possible that Austin found a true story about his family's heritage. He might have been researching his family tree and stumbled upon a long - forgotten story about an ancestor. This could include things like how his family came to be in the area they live in, or a heroic or tragic event that his family was involved in the past. For instance, he could find out that his great - grandfather was a war hero but his story had been lost over time.
Perhaps Austin found out the true identity of a mysterious person in his town. This person had always been an enigma, and through some investigation or accidental discovery, Austin uncovered the truth about who they really were. It could involve a lot of drama, like the person having a secret past or being involved in some illegal activities that Austin uncovers.