钟曼青（林辰唏 饰）三个月的时候被遗弃，被曼玉（席曼宁 饰）、青霞（林美秀 饰）、楚红（小娴 饰）三个好心的酒家女收养。虽然没有父亲，但是曼青从三个妈妈身上获得了更多的爱。曼青遭到同学张薇薇（陈语安 饰）的偷窃陷害，好强的她决定休学。青霞无意间捡到郑予恩（莫子仪 饰）的皮夹，觉得这个彬彬有礼的可爱大男孩可以给曼青一个幸福的未来。而去归还皮夹的曼青阴错阳差遇到了予恩的爸爸郑大山（王识贤 饰），给了她“完美父亲”的感觉。大山的现任妻子余君慧（潘仪君 饰）对曼青产生了莫名的威胁感，专程把予恩介绍给曼青。予恩对率直的曼青颇有好感，同时曼青的同班同学赵兴甫（唐振刚 饰）也展开了对她的追求。而此时大山竟然感觉自己对这个小女生不止是一种对小朋友的忘年友情......

由三個媽媽養大，深具自信，生活卻陷入混亂的青少女，遇見自己從未擁有過，彷彿父親般的長者，卻也可能拆散這名男子和他的兒子。

Zhong Man Qing received 3 times the mother's love, as she was raised by 3 mothers. But all their love could not stop her secret longing for a father. When a case of lost wallet led her to Zheng Da Shan, she thought she had found the perfect father figure. His wise counsel comforted her during a tumultuous time in her life. She began to envy his son Zheng Yu En for having him as a parent. Their relationships became complicated when the son expressed his love interest in her, but she only wanted the father. Three of them learned a hard lesson on how to love so that love is a blessing and not a torment.