Two missing bodies and two separate investigations take Carpenter and Quincannon from the heights above San Francisco Bay to the depths of Chinatown’s opium dens. For John Quincannon, this is a first: searching a Chinatown opium den for his client’s husband, missing in the middle of a brewing tong war set to ignite over the stolen corpse of Bing Ah Kee. Meanwhile, his partner, Sabina Carpenter,...