At 1847 Rogers Road, where the Nelson's live, there is usually an air of happiness prevailing. It starts at the big friendly welcome mat on the front porch, and continues clear through the big friendly house to the big friendly back yard where Nick, the family Setter lives - he's the big, friendly dog with a laugh in his bark. But today, there's one face that doesn't fit in with this happy atmosphere. Young David Nelson seems to have something on his mind...