정규직이 되기 위해 다른 워킹맘들의 자리를 뺏어야 한다니... 망설임도 잠시, 해라는 지원의 업무를 받아들인다. 첫번째 타깃은 출산이 임박한 이문정 대리. 그런 그녀와 마감 기한을 어기고 연락 두절된 디자이너를 찾기 위해 마라톤 현장을 찾아가게 되는데...
Soo-pyo gets fired, and he doesn't know how to break the news to his family. Moon-jung gets in trouble as the designer who was supposed to submit his work goes AWOL. They find out he's at a marathon, so Moon-jung goes to look for him, and Hae-ra tags along. Hae-ra is torn about helping Moon-jung because of her secret task, but she decides to stick to her task in the end.
