Joseph Gray is a man who has a job where he helps keep people safe. His job is called a police officer. He wears a special uniform and goes around the town, making sure that everyone is following the rules and behaving nicely.
When people do something wrong, like breaking the law or hurting someone else, Joseph Gray is there to stop them and make sure they don't hurt anyone anymore. He might ask them questions to find out what happened, or he might take them to a special building called a police station where they can talk about what they did and maybe get in trouble for it.
Joseph Gray's job is very important because it helps make sure that people stay safe and that everyone in the town can live happily without being scared or hurt.