Joonho Suk has just moved to Seoul, South Korea, leaving his longtime crush Sae-un in Suwon. Lovesick and disoriented, he decides to take a walk around his new neighborhood. But this big city is full of eccentric people: witch wannabes, the Babe Patrol Research Center, young girls who speak a strange language - and one of them can lift enormous slabs of concrete! Joonho witnesses a bicycle accident involving Hanami, a charismatic exchange student from Japan, and soon he's on the wrong side of her vengeful grandfather. If he manages to survive this first day in the urban jungle, things have got to be calmer in his new school ... right?