The Hidden City Murders opens on a sultry August day in 1900. John Granville and Emily Turner have just wrapped up the Cannery Row case, and are ready for a well deserved break. Alas, it is not to be.

Granville's indispensable lawyer is under attack, and turns to Granville for help. Before Granville and his partner can react, their lawyer is attacked and left for dead. Granville swears the guilty parties won't get away with this. Not on his watch, they won't.

Emily journeys to Victoria, B.C. for a long overdue visit to her Aunt Louisa. At an afternoon tea party, a young woman is murdered. Still in shock from finding the young woman's body, Emily tries to help. Then an innocent man is arrested. Emily cannot sit by and see injustice done. But who did kill the young woman? And why?

As their complex cases unfold, Granville and Emily work separately and together to solve them. As the heat of late summer builds, information dries up. The odds are stacked against them. Will they find the killers in time to save other lives?

The Hidden City Murders is the sixth book in the John Granville & Emily Turner historical mystery series.