Ambientada en una Estados Unidos áspera y decadente de la década de 1970, American Boogeyman sigue al escurridizo y encantador asesino y la persecución que lo llevó ante la justicia que involucra al detective y al novato del FBI que acuñó la frase "asesino en serie".
Nina is 12. Her mother, Nazca, who was laid off from the factory, finds work at a remote mountain dairy. Nina cannot continue her studies, but this is the only way to avoid repeating her mother's fate.