I'll tell you a story about two brothers that started long ago when they were very young. Once Mary Winchester put to sleep his sons Dean and Sam, and went to his room. Waking up late at night crying from the baby, Mary hurried into the room Sam, and then she sees her son near the cradle of man who mistook for John Winchester, her husband and children's father. Making sure that everything is in order, she returned to the room where she saw her husband sitting in front of the TV in the living room, Mary was horrified ran back to the nursery. Alarmed by his wife shouted, John Sam rushes into the room. Entering the child, her husband saw the blood dripping from the ceiling right in the crib where he lay Sam. Looking at the top he saw that his wife was "crucified" on the ceiling of her wounds and bleeding. The next moment, she burst into flames. Dzhoon ordered Dean put Sam out of the house while he tried desperately to save his wife says not yet fully embraced house … It took a few years … John turned to a medium for help, who said that his wife had killed something supernatural, from the moment he became obsessed with the idea to find and destroy this "something." Growing up, Sam and Dean began to travel across the United States on a black car Chevrolet Impala 1967 to investigate paranormal yaaleniya and fight paroddeniyami evil, such as demons and ghosts. However, they continued to help in the search for the demon that killed their mother.