Supernatural. Cold flame

Twenty -two years ago, Sam and Dean Winchesters lost their mother, who was destroyed by the mysterious evil force.
When they grew up, his father told them about demons who lurks in the darkness and roam on America"s country roads. He also told them how to deal with them.
In Braiden Haits, Indiana, a brutal murder takes place. Local authorities believe that the unfortunate woman became a victim of an attack of a wild animal.
But when they find another mutilated body, the Winchesters and Castiel brothers begin to look for a connection between the dead and find out that they were soon to become fathers. Hunting the killer, the Winchesters learn stories from the restless past city and secrets,
which, according to some, would be better to remain buried forever. The events of the book unfold between the series Was there a boy? And “Stop and Gori” of the 10th season of the series “Supernatural”