女孩从呱呱落地那一刻，经三十年成长为女人，而一过三十，时间则像脱缰的野马，你再也拉不住飞逝的缰绳。纪安蕾（隋棠 饰）即将迎来三十五岁，是一家知名品牌的策划经理，她每天全部的精力几乎都投入在工作中，身边有一个得心应手的合作团队，她认为只有事业的成功才是自身最大的保障。面对总经理一职的空缺，周围人连她自己都感觉非她莫属，就连旧爱何伟霆（庄凯勋 饰）都认为该职位会归安蕾所有。但现实与希望总爱和人开玩笑，一夜之间安蕾事业爱情双双梦断，而对手是一个人——沈海伦（谢沛恩 饰）。就在安蕾深陷绝望之际，黄以康（杨佑 宁饰）幸运之神般出现了......

35歲的紀安蕾（隋棠），終於要獲得夢寐以求的職位，而守在身邊不離不棄的前男友也向她再度示愛，就在她滿心歡喜時，意想不到的悲劇襲捲來襲！不只職位被奪走，連前男友也愛上別人！此時家裡又來個意外的房客，和她的生活牽扯在一起！他們是否會找到屬於他們的「愛的生存之道」？！

Just when everything seemed to go well for Ji An-Lei, a series of unfortunate events happens. Her promotion gets stolen by an outside hire, her boyfriend cheats on her, and she gets an unwanted roommate. When she discovers her new roommate had come all the way from Japan to win the love of his dream girl, who happens to be her boss' daughter and her ex's new girlfriend, she joins forces with him on an "Operation Fighting for Love."