Supernatural 9x20 Promo - Bloodlines [HD]

Supernatural Season 9 Episode 20 Promo/Preview “Bloodlines“ “Bloodlines“ Official Description: SAM AND DEAN INVESTIGATE MONSTER FAMILIES IN CHICAGO - Sam (Jared Padalecki) and Dean (Jensen Ackles) investigate a case in Chicago, where they discover that various mafia-esque monster families are, unknown to humans, running the underbelly of Chicago. One is a family of shapeshifters run by Margo Lassiter (guest stars Danielle Savre), whose leadership is thrown into question when her brother David (gu