An old yet spry man comes to Chicago to live with his son and daughter-in-law. Despite the old fellow's good intentions, he becomes a useless irritation to the couple. However, Grandpa befriends a young orphan boy, whom he helps to set upon the straight and narrow path. He finds solace in this relationship and also in the company of elderly men who live in a home nearby. But the orphan boy's step-father hatches an evil plan that will soon upset the apple cart . . .