When Jodi Bishop, a successful real estate agent, hires Elyse Woodley to look after her aging parents, her relief is short-lived. Elyse seems ideal at first, with her engaging personality and eagerness to help. But as Elyse ingratiates herself with Jodi's father Vic, a retired man devoted to caring for his Parkinson's-afflicted wife, disturbing changes unfold. Vic turns unexpectedly amiable towards Elyse, while Jodi finds herself estranged. Soon, Elyse's influence grows unsettling, as Jodi's mother's health swiftly declines and family heirlooms mysteriously find new ownership. Jodi must confront the realization that welcoming Elyse into their home may have been a grave mistake, one that comes with dire consequences for her family's well-being. In this captivating novel of suspense, Joy Fielding explores the consequences of putting trust in a stranger, and the gradual, sinister takeover that can arise from misplaced faith.