A gripping tale of a time-bending manhunt and the fierce clash of humanity's light, darkness, and moral ambiguity. Set in motion by a devastating building fire in 1990, a series of brutal murders unravels. Hong Kong detective Yang Guang Yao embarks on a relentless 25-year pursuit of the truth, traversing fractured timelines to unmask the killer, protect his loved ones, and uphold justice.