En Billy, que no té ni quatre anys, juga innocentment al seu pati del darrere a la vora del mar amb el seu gos Teddy, el seu cadell Rover i la seva germaneta Mary, quan una pilota cau del pati del costat i li colpeja el cap. Enfadat, surt ...
Billy is playing in his backyard with his dog and baby sister, Mary. A ball from the neighboring yard hits him on the head, leading to a fight with the ball's six-year-old owner, Jack. Billy loses the fight and sends his dog to avenge him, ...