Byun Jung Soo's son Do Hoon disappeared and surprised everyone.

On the KBS2TV 4-part special "Their Perfect Day" (script Kim Hyun Jung, producer Lee Won Ik) broadcast on April 14th, there was a super luxurious Hana Kindergarten Christmas production in Chungdamdong.

However, there was news that a sunflower classroom student had disappeared. It turned out that the kid of Mi Bok (played by Byun Jung Soo) who had led the mother's group in kindergarten and had been haughty had disappeared.

At this, in the second episode, he thought that he was in a special class and Mi Bok's son Do Hoon who didn't hesitate from taking sides will be shown.

Meanwhile, "Their Pretty Day" that was broadcast in 2013 received a special award in the 2013 Seoul Drama Awards and was recognized for their project.