Sam and Dean get a call from Bobby, a hunter friend of theirs, who tells them that he found some clues about their missing father. They meet up with Bobby whom they haven't seen for several years and he tells them about the mysterious death of Henderson, a hunter and friend of their father's when he was in the Marine Corps. Using the clues, the three of them start investigating who the criminal is and they soon discover that it's the same "demon" who killed their loved ones.
Sam e Dean recebem uma ligação de um velho amigo, Bobby Singer, onde o mesmo diz ter uma pista do paradeiro de John. Os irmãos que se reuniram Bobby novamente após alguns anos sem se ver e descobriram a morte de "Henderson" um grande amugo de Johns dos tempos de Fuzileiros Navais. Eles perseguem um indício de John e investigam um crime. E eles descobriram a existência de um "demônio" por trás do caso de Henderson.
Сэм и Дин получают звонок от Бобби, который считает, что напал на след их пропавшего отца. Бобби рассказывает братьям о загадочной смерти Хендерсона, охотника и друга Джона по морской пехоте. Все трое начинают расследование в вскоре обнаруживают, что в дело замешан Желтоглазый Демон.
