Sungyeol walked down the halls with a grin in his face, recalling yesterday. The memory was still so vivid, of how Myungsoo declared his love for him when they were on a date at the park. It had been night time, and he had set lights down a pathway to a small bench where they first met. It was then when Myungsoo was barely a transfer student. He giggled quietly, as he opened the door to the cafeteria for lunch, and searched

Sungyeol returns to their past... Their memories...

Alex Lee is a CIA agent and was given the task to become an undercover student at Woolim High School. Kim Myungsoo, who has a facade of being a cold-city boy in Woolim High School, has a dark family history in which no one, even his friends, knows of. When their paths meet, what will their fates decide? Will they be together at the end, or will they meet in another lifetime?

Sungyeol meets Myungsoo, a lost soul, through his dreams, but he finds out that Myungsoo wants his soul.