Ciorsdan Fotheringham is a native of Glasgow, Scotland. In the year 1935, she works as a private investigator for the Blake Investigation Agency. One day, she is tasked with something of an unusual investigation. She has to travel out to a remote house in the country in order to discover who threw a little girl named Sarah McTavish down a well.

After the ordeal, Sarah is fighting for her life with a fever, dehydration, and malnourishment. Ciorsdan soon discovers that she cannot turn a blind eye to the girl’s suffering- nor at the perpetrator of so heinous a crime. With Sarah on the drink of death, the only choice for Ciorsdan is to back to Scotland and visit a doctor. There, she discovers more about the case than she bargained for...