On Supernatural Season 14 Episode 6, Sam and Charlie team up on a case involving people disappearing. While out on the case Sam is able to get to know this new version of Charlie more. Charlie explains she isn't cut out for hunting and only does it because of the things she saw in the other world. She tells Sam she was just a regular woman working as a programmer and lived with the love of her life. Sam is surprised to learn this and tells her their Charlie wasn't in a relationship. Charlies goes on to explain after the beginning of the apocalypse Kara and Charlie were certain someone was going to save them. As time went on and food went scarce, they realized they were on their own. Eventually a mob of people ended up killing Kara. Charlie and Sam are able to track down the monster and it turns out it's a ancient creature who is away from their family and thus they have been killing. 

Meanwhile, Jack convinces Dean to take him out on hunt when he reads up on a story about men being killed. Jack and Dean head to the area and find out all the men are connected to a woman named Harper. As they learn more about her they realize she is loves romances novels. Dean sends in Jack to woe her and it works. Unfortunately, it turns out it's Harper who is behind the killings. She brought her boyfriend Vance back from the dead and orders him to kill men for sport for her. The guys are able to get Vance back in his grave but Harper disappears.

Later in the bunker, Dean tells Jack he did a great job but things take a turn when Jack's cough comes back and he collapses on the floor. 

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