Madison, an aspiring musician, jokingly tells her overbearing family that she is dating the prince of a small European nation. The joke goes too far as her friend and co-worker Sebastian is roped into impersonating the prince while visiting her family in New Jersey. Little does Madison know that Sebastian happens to be hiding a royal secret.

Once a known counterculture figure, June E. Leigh now lives in self-imposed exile in her South Bronx apartment during the incendiary '77 Summer of Sam. When an unseen tormentor begins exploiting June's weaknesses, her insular universe begins to unravel.