Don't Tell Papa tells the story of a third-rate DJ who finds his relationship with his young son rapidly deteriorating. Director Lee Sang Hun offers you a hilariously touching tale about an intriguing love affair that will make you want to laugh and cry at the same time. After a one night stand high school boy Chul Soo and Ae Lang go their separate ways. However, approximately one year later, a basket with a baby is delivered to Chul's class room. As Ae has left Korea to commence studies in the US, Chul has no choice but to look for a part time job in order to raise the temporarily motherless child. 女人不明白。粗俗而深刻。感人！！！。我们要的，要做的不仅仅是快乐。妈妈再爱我一次+阿郎的故事+韩国式搞笑。父爱无价。告不告诉爸爸。。。亲情、责任。..。屌丝逆袭白富美的艰难历程。 还是中学生的Chul-soo（郑雄仁 饰）和 Ae-lang（蔡敏瑞 饰）初尝禁果，就结下了果实。还是孩子的Chul-soo在不知情的情况下，于一年后在学校意外被收到了一个男婴，而这就是他的孩子。起初接受不了这个事实的Chul-soo想要找Ae-lang问个明白，可是她却已一走了之。无奈之下，Chul-soo开始了和儿子Cho-won（俞承豪 饰）的父子生活，从起初的艰辛到后来的血浓于水，父子二人于平淡中快乐的生活着。 九年过去，Chul-soo成为了一家夜总会的主持人，而Cho-won更可谓是在夜总会长大，俨然一个小大人。这时，从外国回来的Ae-lang在意外的情况下，和父子二人见面。一切似乎又回到九年前，戛然而止的曾经的恋人因为误会和时间被分开，而再度的重逢能否将这段感情挽回，而这得靠他们古灵精怪的儿子Cho-won来帮忙。
