Anthon is a renowned physicist researching Dark Matter, particles we know nothing about, but which make up 95% of our universe. His life takes a drastic turn when his eleven-year-old son, Thomas, is kidnapped by Elena, a mysterious woman. Anthon must embark on a journey to find his son and, in the process, discover more about himself. Dark Matter explores the enigmatic aspects of our universe and our connection to the unknown.

The story tells an interesting moment in the life of Ennio Flaiano, his meeting with Federico Fellini and his relationship with the famous producer of the "Dolce Vita" Peppino Amato, until he decides to write a dictionary of the 'verbal errors' committed by Peppino Amato.