Soon-jae laughs at Mun-hee for learning how to send text messages saying she’s wasting her time. But one day, Soon-jae receives a text message full of weird words from a middle-school kid who came to see him once as a patient. Hae-mi and Joon-ha pays a visit to Yoo-mi’s mom, who’s a friend of Hae-mi, on their way home from a work-out. At the house, Joon-ha accidentally drops a necklace in the hole of the wooden floor. But when Joon-ha tries to get it out, Yoo- mi’s father frantically stops him.