Since Lee Sun-Sim began to work at Cheongil Electronics, she has worked hard as a clerk. She does pretty much any small tasks that the company needs, but her co-workers still calls her "Miss Lee" rather than by her full name. She has a bright and positive personality. Suddenly, Lee Sun-Sim becomes the CEO of Cheongil Electronics, which is about to go bankrupt. With the help of Yoo Jin-Wook and guided by her leadership with humility principles, Lee Sun-Sim tries to turn around the company. Yoo Jin-Wook is a department head at Cheongil Electronics. He is focused only on work and doesn't see the employees as people, but watching Lee Sun-Sim causes him to change and he helps her grow as a CEO.
위기의 중소기업 `청일전자` 직원들이 삶을 버텨내며 함께 성장하는 과정을 그린 휴먼 오피스 드라마.
李善心宛如「便利貼女孩」,公司裡所有大小雜事的負責人都是她,同事間此起彼落的喊著「李小姐」、「李小姐」,幾乎沒有人記得她的本名,沒想到公司面臨倒閉危機之際,竟因聚餐喝醉時,被同事以「轉酒瓶」方式推舉成新代表,一夕之間身負帶領眾人扭轉劣勢的責任,而原本是她頂頭上司的劉振旭反而得聽命於這個小螺絲釘,逗趣又無厘頭的劇情。
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