A Thai-American woman travels back to her hometown in Thailand to visit her estranged, sick father before his passing. In an attempt to reconcile their past, her journey takes a haunting turn.

Coming back to her hometown 20 years later, Neptune leaves New York City for Saraburi, a province hours outside of Bangkok, to visit her estranged, sick father before his passing. Driving through the town, vast farmland, and mountainous areas, she is confronted with people and places she used to call home but is now a stranger to. While driving through the forest to her house late at night, her journey takes a haunting turn as she is confronted by the ghosts of her past life.