Tae Gyu pretends to have transformed into a toy and listens to Si Ha's honest thoughts on his sister. Tae Gyu realizes how much Si Ha's been feeling isolated and tells him that he loves him the most. Ji Yong and Seung Jae visit Busan for their summer vacation. Seung Jae gets upset with Ji Yong for dragging him around the city when he's starving. Meanwhile, Sam meets Sung Min and plays with his kids, Si Ho and Li Ho.