Sam and Dean Winchester look into a case about an old Japanese yokai known as Kuchisake-onna. With barely any leads and only a sheet of paper with a phone number for an unknown girl named Hell what will they do as the bodies continue building up.
She was an overthinker, he was an overachiever. Life went too slow for her whereas his had passed the speed limit. She felt pretentious, he felt pressure. She had a sweet tooth, he had diabetes. They both needed pace, a place and a taste of life on the other side.