A woman's carefully constructed life begins to unravel when a stranger claims to know her darkest secret. Joanna has built a new identity for herself, one far removed from the traumatic events of her past. However, when a man named Ben appears, he threatens to expose the truth she has desperately tried to bury. Joanna must navigate a dangerous game of cat and mouse, where the stakes are her freedom and her sanity, all while trying to protect her family from the shadows of her former life. The narrative unfolds through Joanna's perspective, revealing her growing paranoia and desperate attempts to maintain control.

The novel is described as breathlessly fast-paced and cleverly unsettling, according to Heat magazine. This suggests a narrative that keeps the reader on edge with its quick progression and disturbing undertones. The premise points towards a story that delves into the psychological impact of secrets and the lengths one might go to protect their present from their past. Readers can likely expect a tense and suspenseful experience as the protagonist grapples with an external threat that jeopardizes her carefully constructed reality. The book appears designed to create a sense of unease and anticipation throughout its unfolding.