Chinawoman's Chance. Portia of the Pacific Historical Mysteries, #1

The First Woman Attorney in California Fights the Patriarchy of the Nineteenth Century in this best-selling and award-winning series Clara Shortridge Foltz faces a patriarchal nemesis in 1884 San Francisco. When a white prostitute is murdered and flayed down to a skeleton, Clara is hired by the Six Companies of Chinatown to defend the sixteen males who are swept-up by the Chinatown Squad.   This ragtag and corrupt group of sheriffs works for the mayor, Washington Bartlett.
The mayor uses the nation's anti-Chinese sentiment in his quest to win the race for Governor of California.  Foltz, the first woman admitted to the California Bar, must learn fast to become a detective in order to prove that her client, journalist George Kwong, is not the killer but was set-up by the mayor to take the fall. Along with Ah Toy, her trusted translator and best friend, she is instructed by the head of detectives, Captain Isaiah Lees.
  Lees becomes enamored with Clara, who is having personal problems with sexual commitment, due to her first marriage with Jeremiah Foltz. He was a Union vet who deserted Clara and their five children for a younger woman.  Captain Lees has personal problems of his own, as he has devoted all his time fighting the corrupt politicians and the Chinatown Squad for twenty years, and has not even made time for female relations.
Theirs is a very special kind of romance.