Charles and Caroline decide to go on a second honeymoon and leave Mr. Edwards in charge of the children. The honeymoon doesn't turn out very well because Caroline keeps worrying about the children. Back at home, Mr. Edwards has his hands full with Carrie.

The town becomes divided when Mrs. Oleson offers to buy a bell for the church, but only if she can put up a plaque. The differences and arguing begin to affect the school children. A mute craftsman, Tinker Jones, steps in and with the help of the school children, is able to make a bell.

A college-educated farmer named Joe moves to Walnut Grove with his pregnant wife. He tells the Walnut Grove-area farmers of a new hybrid of corn that would produce good crops, to which the farmers are very enthused. They decide to buy some of this new seed. While on the way back to Walnut Grove with the seed, Joe gets into an accident, as the farmers wait for his return.