In 1939, residents of a rural village near Chengdu watched as Lei Mingyuan, a member of a violent secret society known as the Gowned Brothers, executed his teenage daughter. Six years later, Shen Baoyuan, a sociology student at Yenching University, arrived in the town to conduct fieldwork on the society that once held sway over local matters. She got to know Lei Mingyuan and his family, recording many rare insights about the murder and the Gowned...