At the End of the Road

At the End of the Road; Au bout du chemin; Geu Kkeute Issneun Geos; What Lies at the End; В конце пути; 在那尽头; 그 끝에 있는 것

After a truck accident, Taemin finds himself in the body of Siwon, a victim of bullying at school. No longer a pushover, he starts standing up for himself but then meets Woojin, an old friend from the past. Somehow, Woojin immediately picks up Taemin's 'scent' from Siwon. What happened between these two in the past and how will it affect their future?