在这部辅佐官：改变世界的人们剧情片中,该剧是讲述在聚光灯背后操纵这个世界的真实政治玩家们的危险赌局，将描写指向权力顶点的超级辅佐官张泰俊的炙热的生存故事。
李政宰饰演张泰俊，他是4选议员的首席辅佐官，他以第一名成绩毕业于警队，曾活跃在搜查前线，但为了拥有更大的权力而进入国会，是一个把不可能变成可能的超级能力者。他有着出众的直觉和冷静的判断力，自在地游走在边界线上，以偏执的胜负欲把自己辅佐的议员推到党内代表的位置上。但他并不满足于现状，指向权力顶点的更大的执念隐藏在他柔和的笑容下。
申敏儿饰演女政治家姜善英，她当选了比例选区的议员，并成为所属党派的发言人。
Jang Tae-Joon (Lee Jung-Jae) graduated from the Korean National Police University and worked as a detective. He wanted to gain more power and decided to work in the National Assembly. Now, he is the chief aide to a 4-time lawmaker. He has excellent intuition, a cold-blooded decisiveness and a strong desire to win. He was able to place his lawmaker in the position of the party representative, but Jang Tae-Joon has higher ambitions. Meanwhile Kang Sun-Young (Shin Min-A) is a first year lawmaker who got elected through proportional representation and is a spokesperson for her party. She worked as a lawyer and hosted a current affairs TV program prior to becoming a lawmaker. She is ambitious and does her job well. Kang Sun-Young has an awkward relationship with Jang Tae-Joon, whose boss is a rival of the senior lawmaker who got her to become proportional representation lawmaker.
敢拍敢演《辅佐官》：李政宰教你现代“权力的游戏”中生存之道。終於等到李政宰回歸電視劇。辅佐官第一集观后小感。辅佐官不容错过。假如多党在C国。
