三位闺蜜即将迈入40 岁的门槛，她们相互扶持，风雨同舟，共同面对生活、爱和失去。
以四个姐妹为故事主轴，描述她们对人生观、爱情的不同，进而引起与家人之间的衝突最后终於获得谅解。 一个渴望得到儿子却始终无法实现自己愿望的自私父亲和他倔强的四个女儿，大女儿惠德因为家人的期待，不能自如的表达自己的心事，个性倔强而直率的二女儿美德虽然总是受到家人的岐视，却比谁都努力的保护家人，三女儿性情温顺，小女儿仁德虽然不懂事，但她性个很开朗，惠德的家庭教师---贤宇对惠德表现出真挚的爱情，但妹妹美德，也不知不觉的爱上了姊姊的初恋情人贤宇，该剧通过这些不同性格，不同人生观，不同立场的四个女儿之间错综複杂的爱情关係来描述了家人之间的矛盾，痛苦和原谅。
Bump Up Business is about a Kpop idol named Eden who's about to debut, he encounters an idol under the same agency as him named Ji Hoon. Not long after seeing Ji Hoon, Eden is told that he can only make his debut by doing a Business Gay Performance with Ji Hoon. Eden wants to reject such a reality but he follows what his agency wants him to do. Eden and Ji Hoon still squabble but over time they start to get closer. Misunderstandings between Ji Hoon and Eden begin to build up, will they be able to clear up the misunderstandings and find their true feelings for each other?
该剧讲述一个诈欺师一不留神和警察结婚，随后被卷入荒唐的事件并成为国会议员候选人的故事。
