of the novel introduces the two main characters, Jacqueline and Caroline, as they embark on a train journey to Boston. Jacqueline, dressed elegantly and exuding a confident demeanor, contrasts sharply with the shy and modest Caroline. As they observe each other from afar, they eventually strike up a conversation that reveals their shared feelings of apprehension about their respective futures. Jacqueline, driven by a sense of adventure, concocts a plan to switch clothes and identities, so Caroline can avoid the intimidating prospect of staying with her new relatives. This introduces readers to the themes of friendship and identity while setting up the amusing premise of the girls' fateful decision that will shape the narrative to come. (This is an automatically generated summary.)