When hunters gather together to celebrate the life and tragic death of one of their own, Sam, Dean, and Mary must take action when a demon starts picking off hunters one by one.

Alicia Banes calls Mary for help after her mother, Tasha, goes missing. Sam answers Mary’s phone and he and Dean head out to help Alicia and her twin brother, Max, find their mother who was hunting a powerful witch. Meanwhile, Mary starts to have some doubts about the British Men of Letters.