In 1908, eleven-year-old Innie joins the library club at a settlement house that serves immigrant families of Boston's North End, but when items and money disappear from the settlement house, Innie's past as a troublemaker puts her under suspicion.

In 1878, twelve-year-old Ida Kate and her widowed father welcome a mail-order bride and her baby to their Kansas homestead, but Ida Kate soon suspects that the bride is not the woman with whom Papa has corresponded.