Hiro is twenty now, preparing to work as a teacher in the college after he graduated, he meets a shadower boy from Mexico looking to study in the science of music, while hiro is under training with Abigail. Tadashi is married to Honeylemon and they have a son who is four, while Gogo is expecting her next baby with Wasabi and their twins their life has been busy and Fred is traveling the world with his father. Hiro is discovering new things in his love life when a musician sings his heart out for him.