Undercover policeman Su He was chased by gangs and fell into the sea. He awakened the bloodline power "Death Recall". Every time he was near death, he could be resurrected briefly and gain the enemy's memory. In order to find out the truth about the massacre, he sneaked into the headquarters of a Southeast Asian drug lord and accidentally discovered the shocking collusion between the top police officials and the black market giants. Blood resonance allows him to control police equipment, crack encrypted files, and gradually uncover the shady story of a transnational criminal network.