China's four supremely skilled detectives serve only their Master, the formidable Zhuge Zhen-Wo, the head bodyguard and advisor to China's all-powerful Emperor. “Emotionless” – Yayu Sheng is a master of hidden weaponry, “Iron Hands” – Yuxia possesses incredible chi and can stop the sharpest blades with his bare hands, “Life Snatcher” – Lieshan Cui is highly skilled in light-foot granting him undaunted legwork and kicks, and “Cold Blooded” – Lingqi Len has expert sword skills. With their venerable skill as martial arts experts and meticulous sleuths, they root out potential usurpers and discern the cause of many strange occurrences during the Sung Dynasty!