金判秀被戏院开除后,为了儿子的学费而不得不去行窃,不料却失风被抓,被盗的主人正巧是朝鲜语学会的代表柳正焕。判秀阴错阳差地获得在朝鲜语学会工作的机会,处在母语被禁止的时代,两人于所剩不多的时间中,必须在日本帝国高层的监视下完成属于朝鲜的字典……Set in the 1940's when Korea was under Japanese occupation. Korean people were banned from speaking their own language during that time. Pan Soo has been imprisoned several times and it is nothing special for him to go there. He does not know how to read or write the Korean language. One day, he steals Jung Hwan's bag to help pay for his son's tuition fee. Jung Hwan is the son of a wealthy Korean family who is pro-Japanese. Yet, Jung Hwan is a representative of the Korean Language Society. By meeting Jung Hwan, Pan Soo's life soon changes. They work together to publish a Korean language dictionary.