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 students, Chul Soo and Ae Rang, go their separate ways. However, approximately one year later, a basket with a baby is delivered to Chul's classroom. 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.