Martial arts, folk customs, strange tales, taboos, court politics, underworld, masters, magical combat, crossing into the yin, spirit possession, deity invocation, Nuo opera, esoteric Buddhism, immortality… The underworld path, the three teachings and nine streams, diverse and varied. In the mysterious sects, folk legends and oddities, countless and bizarre.

This is a noisy era, an era of danger and opportunity coexisting. Li Yan walks with his blade drawn, and in the end all evils shall flee, nothing is forbidden!