在过去的三年里,永远快乐无忧的干物女雨宫萤(绫濑遥 饰)被派往香港开拓市场。虽然口口声声要每天和最爱的部长(藤木直人 饰)通信联络,但是长达三年的岁月里她只寄过一封名信片,部长所有的信件也石沉大海,杳无音讯。当她回到久违的日本后,发现原本熟悉的设计部门早已大换血,甚至连部长似乎都另结新欢,身边出现了一个叫小夏(木村多江 饰)的女子。好不容易得到的爱情面前出现劲敌,而公司新来的男孩(向井理 饰)对雨宫也渐渐产生好感。 傻宫与部长的恋情之路,充满了考验与不确定……Hotaru returns to Japan after three years on assignment in Hong Kong. She presumptuously returns to the house with her manager and has her suitcases delivered there. The manager has a surprise in store for her that reveals his feelings. Notwithstanding that, Hotaru is a 'himono onna' with no savings to her name so the plans have to be delayed. There are new faces and new feelings in the office. Then there is the woman the man was drinking with.