Okay kiddo, Sam Sheppard was a man who lived a long time ago. He was a doctor and had a wife, but something really sad happened.
One day, Sam's wife was found dead in their house and a lot of people thought that Sam killed her.
Sam went to jail and stayed in jail for a long time. He kept saying that he didn't do it and that he was innocent.
After being in jail for a while, Sam's family and friends decided to help him prove that he didn't do it. They talked to a lot of people and found out more about what happened that night.
Finally, they were able to go to court and show that there was a lot of evidence that Sam didn't do it. The court decided to let Sam go free and he was able to move on with his life.
Many people still wonder what really happened that night and some people still believe that Sam did it. But the important thing is that Sam was able to get a fair trial and prove his innocence.