After returning from Red Gate Farm on a day trip, Nancy and chums enjoy hot cocoa and a snack at teatime during the late fall. Postman Ira Dixon, set to retire soon, is invited inside, and leaves his mailbag in the vestibule; it is quickly stolen. Nancy immediately is summoned to Postal Authorities where she is accused of having a hand in the theft, and Dixon's pension and career are threatened. In the meantime, she is invited to spend a weekend at a big football game as a guest of Ned Nickerson's, and spends time preparing for the trip. Nancy encounters low-brow Mrs. "Sailor" Joe Skeets, who accuses her of wrongdoing due to her own missing letter containing money, stolen with the mailbag. Strangely, the letters are re-posted later. Nancy receives a letter from British solicitors informing