It's the triplets' first time sleeping in the army! Manse holds back his tears at this unfamiliar place without his dad. Will they be able to spend their first night at the army? The twins are at the gym class with their dad! The fierce competition between Seoeon and Seojun starts! How will it end? Jion and Taewoong are at Suwon Hwaseong. Jion usually doesn't like climbing up the stairs but she tries climbing up to the top of Suwon Hwaseong! Daebak has changed! He can now easily stand up and walk around! He finds an internet router in the living room and he ends up breaking it!