Betrayed and on the run, a former North Korean agent tries to seek revenge on the man who killed his wife, find his missing daughter, and uncover the secrets hidden inside the eyeglasses of a dead man.

Samuel Salomon, a literature professor, has been off work for almost a year after the tragic death of his girlfriend. Samuel has been suffering from a recurring nightmare in which a woman is brutally murdered in a strange ritual. Suddenly, the same woman who appears every night in his dreams is found dead in exactly the same circumstances. Samuel sneaks into the crime scene and there he meets Rachel who has also dreamed about the murder. Together, they will do whatever they can to discover the identity of the mystery woman, entering a terrifying world controlled by the figures who have inspired artists throughout time: the Muses.

In 1942, in an occupied Paris, the apolitical grocer Edmond Batignole lives with his wife and daughter in a small apartment in the building of his grocery. When his future son-in-law and collaborator of the German Pierre-Jean Lamour calls the Nazis to arrest the Jewish Bernstein family, they move to the confiscated apartment. Some days later, the young Simon Bernstein escapes from the Germans and comes to his former home. When Batignole finds him, he feels sorry for the boy and lodges him, hiding Simon from Pierre-Jean and also from his wife. Later, two cousins of Simon meet him in the cellar of the grocery. When Pierre-Jean finds the children, Batignole decides to travel with the children to Switzerland.

The perpetually rational and precise researcher Hyeon-cheol and the rash and reckless Dong-hwa have nothing in common with the exception of a goal to steal a corpse to serve their own twisted agendas. They set off on their bizarre mission and the plan goes smoothly until they’re faced with the unexpected appearance of Jin-oh and a mysterious group of men also on the hunt.

All unemployed, Ki-taek's family takes peculiar interest in the wealthy and glamorous Parks for their livelihood until they get entangled in an unexpected incident.