Love Towards Kid

There was a kid who was orphan. No one used to take care of him. He was very sad on the way of his life. He was very sad about it and he found one day a person took him and made him grow up in an effective manner. The boy was happy and the twist is that his father dies with an accident but he investigated that it was no an accident but it was murder. So he found the criminal and killed him and the reason was his father was not a good man.