The entire school may isolate him but keeping an optismistic view about everything is embedded in Taemin brain. He leaves his house everyday shutting the door behind him, an echo filling the empty space inside, believing the day may be different than the last. At last his hopeful thinking has made this possible when a transfer student named Choi Minho arrives. Every female in the class envies Taemin as Minho pays no attention to them but instead on the boy they like to call a . Through Minho Taemin meets a group of friends that accept him for who he is, these people consists of  Key, Jonghyun and Onew. Even though these people see perfect in Taemin's eyes they also hold secrets that can only be trusted by few. Can these people that Taemin learns to trust take away the loneliness in his heart or build upon it until he explodes.