Amid Prohibition, Irish gangs, the KKK, and rampant mistreatment of immigrant women, intrepid private investigator Dorothy Henderson and her pal Amelia Earhart seek justice for several murdered young women in 1926 Boston. As tensions mount, the sleuths, along with their reporter friend Jeanette and Dot's maiden aunt Etta. experience their own mistreatment at the hand of society and wonder who they can really trust.

This novel brings a pre-fame Amelia Earhart to life in 1926, when she lived in a Boston suburb and worked as a teacher and social worker at a settlement house founded to help immigrant women. After Amelia meets fictional lady PI Dot Henderson, and more than one young immigrant woman is found murdered, the two put their heads together to seek justice for the less powerful. Meanwhile, Etta Rogers, a founder of the settlement house and a Wellesley professor, works with reporter Jeanette Colby to investigate the Irish gangs who are not only running illicit liquor but also seeking to take over the settlement house real estate.