Tom and Huck decided to go to the graveyard at midnight for an adventure. While hiding behind trees, they witnessed Injun Joe murder the town doctor. Terrified, Tom and Huck kept what they saw a secret from everyone, including Tom's friend Becky and Aunt Polly, out of fear of what Injun Joe might do. Their night of adventure in the graveyard ended in shock as they discovered a murder had been committed right before their eyes.