Shadow in the north

In 1878 in London, Sally, now twenty-two and established in her own business, and her companions Frederick and Jim try to solve the mystery surrounding the unexpected collapse of a shipping firm and its ties to a sinister corporation called North Star. The year is 1878 and Sally Lockhart has just started her own financial consulting business when one of her clients loses a fortune in the unexpected collapse of a British shipping firm. As she struggles to learn why, she comes closer to the answers--and her own demise.