Chronicling a Manhattan dinner party that starts out good-natured and civil, it turns unexpectedly dark, as alcohol-fueled party guests eschew their mantles of reserve, turning quick-witting sparing into full-fledged skewering.

What initially seems to be a portrait of suburban domestic life quickly turns into a disturbing journey through a young boy's troubled pathology and ultimately ends as a poignant story of a broken family and lost innocence.

A couple moves into a quiet neighborhood. With too much time on her hands, the woman begins to suspect that someone is confined in the basement next door.