When forbidden by his Uncle Lester to ride his motorcycle, Ralph the Mouse becomes fed up with life at home and decides to run away so he hits the open road and winds up at Happy Acres Camp where he befriends a lonely boy, Garfield, and the two become friends. When a girl's watch turns up missing, everybody blames Garfield, but its Ralph that get's the watch back from two crafty cats and clears his friend's name.