'Supernatural' Season 12 Episode 14 Spoilers, News & Update: Mary & The British Men Of Letters Face The Alpha Vampire

Mary Winchester (Samantha Smith) will work with the British Men of Letters in "Supernatural" Season 12 Episode 14. The alliance will fight a Vampire coven in the upcoming episode.

According to a report, "Supernatural" Season 12 Episode 14 will have Sam (Jared Padalecki) and Dean (Jensen Ackles) suspicious with the British Men of Letters as Mary works with them in order to fight a coven of Vampires. It is hinted that "Supernatural" Season 12 Episode 14 will bring chaos to the Winchester family. The British Men of Letters are working hard in recruiting Sam and Dean to join them. However, the Winchester brothers are looking into what the group is really up to.

The previous episode of "Supernatural" Season 12 was all about family. Crowley's (Mark Sheppard) son met his grandmother and was also reunited with his father in the previous episode. Mary also came clean towards Sam and Dean about her involvement with the British Men of Letters.

Mary and her sons will continue to discuss about their involvement with the British Men of Letters in "Supernatural" Season 12 Episode 14. An Alpha Vampire is set to return in the upcoming episode that will be the challenge for the Winchesters.

Meanwhile, Sam and Dean will have to think hard as to whom they will side with in "Supernatural" Season 12 episode 14. It can be recalled that the brothers already made a deal with the Alpha Vampire. The have asked his blood in order to defeat the Leviathans in the past.

Now that the Alpha Vampire is back, they need to be strong with whatever they decide. It is already known that Mary is working with the British Men of Letters in order to defeat the Alpha Vampire. Sam and Dean have been recruited by the organization in order to be with them in the battle. It will then be up to the brothers what will be the decision in "Supernatural" Season 12.

"Supernatural" Season 12 airs Thursday nights.