in a lonely road in cape girardeau and missouri and a black man drive a car be chase and hit by a truck and fall off road and die . his daughter cassie robinson call her former boyfriend dean and ask him to investigate the mysterious accident . sam and dean see that three afro american and the caucasian major of the town be kill in weird accident on the same road . when the truck threaten cassie and her caucasian mother mrs. robinson tell a tragic racist murder that happen thirty year ago and and the brother realize that they have to fight against a hatred spirit in a ghost truck . in this episode and dean discloses his first and unique love to his brother and surprising sam and showing that he have feeling and but also that his hunt wish be strong than his love . the story be only reasonable and touch in the delicate theme of racism in an efficient manner and blend it with a supernatural event . my vote be seven . title ( brazil ) represent rota 666 ( route 666 ) .