From the writer behind the hit series Pretty Little Liars comes a psychological thriller about mothers, daughters, and the dangers of memory. Alex Bryant has questions only her mother, Cassie, can answer. So when Cassie suggests they both participate in a study on implanted memories and help heal their estranged relationship, Alex believes her chance has finally come. Maybe after a lifetime of wondering, she’ll finally learn who her father is, and why her mother insists on keeping his identity a secret. After the study, the memories Alex receives seem...tainted. Flashes of people that are missing from Cassie’s memo...