During the Korean Dynasty in the 16th century, a counterfeit currency case that spread across the country was a headache for the court. Female arrest fast Nanshun (he Zhiyuan is acted the role of) and experienced and witty partner an catch fast (an Shengji is acted the role of) to investigate this case, two people find the clue of counterfeit currency in the bazaar, but unexpectedly all the suspects are killed by a masked knife guest, Nanshun is in hot pursuit but can not intercept the knife guest. An Quan and Nanshun obtained the portrait of the masked knife man from the craftsman who minted the seal needed for counterfeit coins, and tracked the suspected knife guest in the minister's home according to this clue-the sad eye (acted the role of Jiang Dongyuan). When Nanshun approached the knife guest, he was inadvertently moved by his elegant bearing. After a fight, Nanshun failed again, but in their hearts, they left their imprints on each other. Nanshun indomitable, please enter the home of the minister to search, the love of this pair of enemies continues …...