Yu Jin fainted due to appendicitis and her dog, Sanggu alerts Jae Hee about it. Yun Ki Ran feels threatened when she knows that Jae Hee promises Mun Jung to take care of the dog. Hence, she offers to help take care of Sanggu but eventually gives up as she is too afraid of dog. Mun Jung and Jae Hee bump into each other in the pet store. Jae Hee purchases a pet fish and teaches Mun Jung the right method to grow seaweed. Both of them subsequently talks about romantic relationship and marriage. (Source: Viu)