In 1950s Ireland and New York, young Eilis Lacey has to choose between two men and two countries.

Sodium Party follows Claire through a harrowing childhood to university where she meets Danny, a frequently intoxicated photographer who exposes her to real life through a cocktail of love and drugs. Their relationship is tested when ghosts of Claire's tumultuous past manifest through super 8 home movie footage causing her world to unravel.