It鈥檚 been a year since Billie Flanagan鈥攁 beautiful, charismatic Berkeley mom with an enviable life鈥攚ent on a solo hike in Desolation Wilderness and vanished from the trail. No body鈥攐nly a hiking boot鈥攈as ever been found. Billie鈥檚 husband and teenage daughter cope with her death the best they can: Jonathan drinks, Olive grows remote.
But then Olive starts having waking dreams鈥攐r are they hallucinations?鈥攖hat her mother is still alive. Jonathan worries about Olive鈥檚 emotional stability, until he starts unearthing secrets from Billie鈥檚 past that bring into question everything he thought he knew about his wife. Together, Olive and Jonathan embark on a quest for the truth鈥攁bout Billie, their family, and the stories we tell ourselves about the people we love.