Taewoong's 48 hours of child care duty begins. He takes Jion to the local park where he has trouble changing her diaper. Later when he is feeding dinner to Jion he is touched and surprised that she is able to mimic his actions while he was cooking. Sarang plays dress up with her mom. Her friend Yuto comes over to help take her of the newborn puppies and participate in Sarang's Korean lessons. Hwijae shows the twins how to dry laundry. Later he takes them out for a restaurant to have a Korean feast. Major League Baseball player Hyun-jin Ryu visit the Song home. Guest stars: Hyun-jin Ryu (Source: Wikipedia)