Mugby Junction Story 7 - No. 4 Branch Line: The Travelling Post-Office Part 1

In which a diligent clerk in the travelling post-office recounts the routine of sorting letters on a night mail train and the curious acquaintance formed with a postmaster’s daughter who embarks upon a secretive journey with him. The narrative unfolds amid the mysterious conveyance of a Premier’s despatch-box, whose unexpected disappearance casts a sudden shadow over the otherwise humdrum duties of the post-office clerks.