Every street holds a secret. New to the neighborhood and reeling from the traumatic birth of her second child, Marlowe Moore is barely holding it together. Battling postpartum depression and anxiety, she's desperate for stability. But when she learns that a woman who once lived in her family's new home vanished without a trace, Marlowe becomes obsessed. As strange things happen and neighborly smiles feel like veiled threats, Marlowe can't shake the feeling that someone is hiding something. She spirals further into paranoia, fixated on the abandoned case and determined to seek justice. But how can a woman who feels lost find a missing person? Juggling the demands of her beloved family and her harrowing mental illness, Marlowe doesn't realize she is caught in a cat-and-mouse game that could cost her everything . . . including her life.