证据的回响

Forensics expert Qiu Chen and detective Gu Yuming join forces to crack five bizarre cases—ranging from the mysterious death of a husband to the enigma of a "trace scavenger"—uncovering a series of human tragedies along the way. As the investigation deepens, Qiu Chen makes a startling discovery: all these cases are secretly intertwined with the unsolved murder of his father a decade ago. Who, exactly, is the mysterious figure so adept at erasing every last trace?