8-year-old Kyungsoo loves his older brother, Jongin. But, Jongin had to go into the military. Kyungsoo waited for two long years for his brother to come back and when he did, Kyungsoo couldn't be happier. Jongin brought with him a boyfriend, Joonmyun, and Kyungsoo loves him immediatly. But something happens to Joonmyun and Jongin, leaving Jongin an emotional wreck. What will Kyungsoo do to help his dear older brother?