The Wilkerson Brothers

Reese and Malcolm have been doing somthing with each other for years. They thought they kept what they where doing was a secret. Yet Dewey  ended up knowing what his brothers have been up to when his brothers think it was just them. What is this thing between Reese and Malcolm, will Dewey rat them out or will he use blackmail to get somthing out of them? Only one way to find out.