During the Northern Song dynasty, the Phecda Bureau is considered the most powerful of all government offices. Led by Fung Nam-Tin, his elite group is in charge of all criminal cases nationwide. The bureau's commander, Chu Cheung-Sing, is greatly valued by Nam-Tin, but due to one particular robbery case, they go their separate ways. Along with his wife Tao Fa, Cheung-Sing vanishes for nearly ten years until the case draws to a close. Now past his working prime, Nam Tim orders three officers to summon Cheung-Sing back to the bureau. Meanwhile, the Jin dynasty has long coveted the Song land, and is ready to launch an invasion.
一個十年前退隱江湖的麻甩神策,加上熱血武痴、地踎神偷和好勝華陀,四大高手面對接踵而來的詭異案件,他們能否摒棄私利,智破奇案,重振大宋家邦?