0 1 3 ▁and ▁finished ▁in ▁October ▁ 2 0 1 3 . ▁Ind oor ▁scenes ▁were ▁fil med ▁at ▁TV B ▁stud ios ▁in ▁T se ung ▁K wan ▁O , ▁New ▁Territ ories , ▁Hong ▁Kong . ▁Out door ▁scenes ▁were ▁fil med ▁on ▁location ▁in ▁Main land ▁China ▁at ▁X i ang sh an ▁Film ▁and ▁Television ▁City ▁and ▁Ti ant ai ▁Mountain . ▁The ▁series ▁began ▁air ing ▁June ▁ 3 0 . ▁ 2 0 1 4 ▁and ▁will ▁be ▁broadcast ▁week ly ▁from ▁Monday ▁to ▁Friday ▁at ▁ 8 : 3 0 ▁PM . ▁ ▁Pre - release ▁The ▁series ▁was ▁preview ed ▁at ▁the ▁Hong ▁Kong ▁F IL MA RT ▁ 2 0 1 4 ▁event ▁on ▁ 2 4 M arch ▁ 2 0 1 4 . ▁ ▁Story ▁ ▁During ▁the ▁cha otic ▁period ▁of ▁Imperial ▁China , ▁before ▁the ▁un ification ▁of ▁the ▁country , ▁there ▁exists ▁two ▁oppos ing ▁reg imes : ▁the ▁Song ▁and ▁Jin . ▁The ▁story ▁focus es ▁on ▁the ▁explo its ▁of ▁the ▁T in ▁Ke i ▁( P he c da ) ▁Bureau ▁of ▁the ▁Northern ▁Song . ▁It ' s ▁a ▁special ▁investig ative ▁unit ▁that ▁answers ▁directly ▁to ▁the ▁em peror , ▁who ▁is ▁head ed ▁by ▁Commission er ▁F ung ▁Nam ▁T in ▁( L au ▁Kong ). ▁With ▁his ▁highly ▁sk illed ▁group ▁of ▁const ables , ▁F ung ▁Nam ▁T in ▁was ▁able ▁to ▁protect ▁the ▁real m ▁against ▁crim inals ▁and