Sam and Dean travel to the UK in search of a monster of Native American folklore. Having no where to stay and next to no money, Sam ends up calling his ex for help: Clara Oswald.
While staying with Clara, Sam finds himself falling for her again, and on top of all that, Clara is getting closer and closer to finding out why the Winchesters are really here. Sam wants anything rather than Clara finding out about his life, about what he and Dean do.
But Sam soon finds that Clara has a secret life of her own.
After saving her parents and herself from disappearing from existence. Mary and her parents travel up to Minnesota to celebrate the birth of her baby brother, Dean Winchester Jr. However the eighteen year old faces her greatest challenge as her time travel event, altered other people's lives and deaths. Jessica returns as a demon, furious with Sam for lying to her and leaving her to die. she is detrimened to break him the best way she can. And poor Mary is caught in the crossfire of it all, at so is the rest of her family.