Supernatural, Virtual World, Phenomenal Incident

18 years old Taemin had been struggling working day & night to pay the loan after his selfish mom & abusive dad left.. One day he dreamed about a teen got raped then suicided. In the day he paid off all loan, Taemin got hit by truck, woke up again in body of Siwon, the guy he saw in that weird dream, a fragile rich boy whom's surrounded by wicked bro & schoolmates.

Siwon is an ordinary college student. His arrogant talented classmate Jinha and he himself have nothing in common + are totally different. But Jinha keeps appearing in his dream, affectionately chasing after him & mentioning about an incident 3 years ago. Though in real life they hardly have a word.. Siwon starts wondering if he forgets anything between them..