The drama about the love life of an old maid, Oh Eun Joo. She has been working at a book publishing company for seven years. Eun Joo forms a love triangle with Tae Oh and Young Soo. Tae Oh is younger than Eun Joo by seven years and Young Soo is a businessman who Eun Joo meets on a blind date. Eun Soo is reluctant in letting Tae Oh meet her friends because of their huge age gap. This causes a rift in their relationship because Tae Oh thinks that Eun Soo doesn't take him seriously. At the same time, Eun Soo continues to see Young Soo and there's something about him that draws her closer to him. 那个小我7岁的男孩。我的甜蜜都市第七集 --- 被琐碎逼疯之前（转）。給熟女看的劇。一个人的旅程。才看了第一集的感受。有关爱情。他们真的相爱过吗？。以后……以后……等我非常难受的时候，我可以打电话给你吗？。熟女的甜蜜都市。难做的选择题。 吴恩秀（崔江熙 饰）已经三十一岁了，一直过着一成不变的生活，每日朝九晚五，丝毫看不到未来的希望。曾经，吴恩秀亦有过一段刻骨铭心的恋情，不过已是过去，然而，当发誓绝对不会结婚的前男友发来婚礼请柬之时，吴恩秀还是受到了不小的刺激，与此同时，她的好友亦决心要和爱人步入婚礼的殿堂。 就在吴恩秀陷入人生低谷之时，比自己年幼的男子泰伍（池贤宇 饰）、一直以来的好友有俊（金英在 饰）和上司介绍给她的同事永秀（李善均 饰）纷纷出现在吴恩秀的身边，向她送出了求爱的信号，一下子面临如此之多的选择，吴恩秀不知该如何取舍。
