Set in the Republican era, a string of bizarre murders plunges the town of Taiping into fear and panic. Whispers among the locals blame vengeful spirits seeking lives. But psychic detective Qin Mu, together with a young shamaness, uncovers a very human truth behind the legends—the elusive figure known as Golden Swallow. Drawing on sharp investigative instincts and exceptional analytical skills, they unravel the mystery behind Taiping’s gruesome killings, expose a tragic case buried five years earlier, and restore justice and peace to the troubled town.