When news came that Cuiping had died, Yu Zecheng tore up his ticket back to the mainland. He destroyed the contact signals and cut off every escape route, then fired into the Taipei night sky. “If they want a ghost, I’ll give them hell.” One strange death after another rocked the Military Statistics Bureau, and every lead pointed to a man who should have been dead. But when the Special Investigation Team opened his file, all they found was a single line written in blood: “A blood debt must be repaid in blood.”