Orla Winchester was born into a world full of monsters and nightmares. When the nightmares start to bleed into her reality, Sam and Dean have to fight to protect her against the horrors that aren't just hiding under her bed.
In the dark world of hunters and monsters, Sierra thought she had left the past behind, until a chance encounter with Sam Winchester opens old wounds and old feelings. Once a college student, Sierra is now a woman shaped by loss, haunted by the tragedy. As she joins the Winchester brothers on a new mission, the emotional stakes rise as she tries to keep her secretes from coming out.
Caught in a whirlwind of supernatural dangers, Sierra finds herself torn between a new life and old ghosts.