Following the tragic and unexplained death of her father, Ava Danvers has moved across the country to the tiny town of Crescent Falls, Oregon, along with her ever-scrutinising mother. There, she encounters Seth Asker, a mysterious and alluring young man, whom danger and secrets seem to follow. After finally letting the almost stranger into her life, Ava is forced to question every aspect of her identity, including the fire, her relationship with her mother, and even her own being. Slowly, the truth of Ava's entire existence begins to unravel, revealing the darkest secrets of her past.