"The search for a serial killer leads a woman into the twisted tangle of her own family tree in a chilling novel by the #1 Amazon Charts bestselling author of The Missing Sister and Lies We Bury. Adopted when she was only days old, Ivy Hon knows little about her lineage. But when she's stricken with a mystery illness, the results of a genetic test to identify the cause attract the FBI. According to Ivy's DNA, she's related to the Full Moon Killer,...