Molly attends a meeting of the Ladies' Club, and she volunteers to become the new Brownie leader for the Girl Scouts. Their former leader Mrs. Miller must move away due to her husband's job transfer, and Mrs. Miller selects Molly to take over. Molly meets Mrs. Allen, who trains her and several other women in all the Girl Scout duties. Mrs. Allen begins with teaching the star constellations to spark an interest in astronomy, and how to help a fainting woman as well. For two weeks, Molly studies the guidebook, learns the songs, understands the rules, and even becomes aware of poison ivy and poison oak to avoid on nature walks which she insists upon showing the family at the dinner table. Molly becomes very excited to meet her troupe. However, when the girls meet her, they don't want to participate in any of Molly's activities. They are also cold and distant with her since she is not Mrs. Miller. She tries to display rope knots, which she mixes up and further loses the respect of the ...