Due to her anger management issues while working at her previous team, Transportation Services, Han Yeo Reum is transferred to Passenger Services. However, she is late on her first day at work. When she comes in, she hears a coworker asking his superior why they should take in someone so troublesome.
비가 내리는 가을날, 평범하고 조용한 삶을 살고 싶은 수연 앞에 '인천공항 초유의 폭탄!' 이라 불리는 여름이 나타나는데..
