Jonghyun and Jessica were finally together but they can't love peacefully without problems especially after a new guy appeared in their love life. Are they even meant for each other? And what about Key? What if a girl tranferred to his class and somehow he find that person so familiar? 

Then it hits him, it was his ex! He hated her, he hates her for leaving him last time without any reasons. What would happen then, how would things go on between them? Do expect some drama going on! Continue to read to know!