October brings cooler weather, pumpkins, the harvest and unexpected challenges for the Stevensons. Emily's class project leads to all kinds of questions about her grandparents' wedding so many years ago, and Sam is doing everything he can to put off thinking about his college applications, Christopher is investigating suspicious tire tracks by the old windmill and finds himself in the middle of a debate about the future of the farm.And when Charlotte and Bob are asked to speak at a seminar for young married couples, they're forced to take a closer look at their own relationship and their influence on others. Can Charlotte convince Bob to overcome his fear of public speaking and offer his wisdom to the people who need it most? Pete has marriage on his mind a lot these days too. Could he really be thinking about settling down? With wedding bells on the horizon, Charlotte tries to help them all remember the importance of prayers and the significance of promises.