When her favorite true-crime podcast host goes missing, an adrift young woman sets out to investigate and plunges headfirst into the wild backcountry of Northern California and her own dangerous obsession.

Sera loves true-drime podcasts. They give her a sense of control in a world where women just like her disappear daily. She's sure they are preparing her for something. So when Rachel, her favorite podcast host, goes missing, Sera knows it's time to act. Rachel has always taught her to trust her instincts. Sera follows the clues hidden in the episodes to an isolated ranch outside Rachel's small hometown to begin her search. She's convinced her investigation will make Rachel so proud. But the more Sera digs into this unfamiliar world, the more off things start to feel. Because Rachel is not the first woman to vanish from the ranch, and she won't be the last.... Rachel did try to warn her.