In order to raise his daughter Kim Min-ji, Minister Kim, the accounting team leader of Aangsaei Savings Bank, has lived a life of silence in anonymity for a long time.Minzhi had a conflict due to being bullied by Zhu Huili for a long time, but Minister Kim knelt down and apologized in front of Zhu Jiangcan, the president of the residential school construction, so Minzhi left home aggrieved.At the same time, Sung Han-soo and Park Jin-cheol were also involved in conflicts due to their eagerness to protect their daughters.After Minzhi stayed away all night, Minister Kim found blood stains and Zhu Huili's hair tie at the demolition site, and suspected that Cheng Minhao was related to her daughter's disappearance.During the questioning, he noticed that the other party had a gunshot wound. After taking off his glasses, he showed his true colors as the legendary agent codenamed 66. He instantly subdued Min Ho and asked about his daughter's whereabouts.