Taeyang becomes Haru's babysitter when Tablo becomes busy while working on his new album. Sarang has a fun day at a park with her friend Yuto. Later Sarang shows her braveness when Sunghoon takes her to the doctor's office for a check up and shots, and she doesn't throw a fit. The twins head to Busan with dad and their grandfather to visit the naval museum and see the ship grandpa was assigned to. The triplets visit the countryside where they participate in making red bean stew and eat roasted bugs for the first time. Later Ilgook prepares to make a calendar featuring the triplets but has a hard time getting them to pose correctly.