Grieving author Aggie Wiggs, still reeling from the loss of her young son, relocates to an affluent Long Island enclave and becomes fixated on her charismatic new neighbor, Nile Jarvis—a powerful businessman whose wife vanished under suspicious circumstances. As Aggie probes deeper for her next book, their cat-and-mouse game blurs the lines between predator and prey, unearthing buried traumas, moral ambiguities, and lethal deceptions in a gripping tale of obsession and hidden monstrosity.