Borges falls in love with Beatriz Viterbo, a high-class young woman, who decides to marry a government official who makes Borges strongly suspect him, speculating that he is a sadist who is slowly poisoning Beatriz. To save Beatriz Borges, he decides to turn to a detective, who becomes the hinge of an unthinkable story.
| Actor | Role |
|---|---|
 Miguel Ángel SoláJorge Luis Borges | Jorge Luis Borges |
 Blanca OteyzaBeatriz Viterbo | Beatriz Viterbo |
 Víctor LaplaceCarlos Daneri | Carlos Daneri |
 Norman BriskiErik Lönnrot | Erik Lönnrot |
 Roberto CarnaghiPierre Menard | Pierre Menard |
 Alicia BerdaxagarLeonor, Borges's mother | Leonor, Borges's mother |
 Cristina BanegasBoarding house owner | Boarding house owner |
 Roly SerranoAlejandro Villari | Alejandro Villari |
 Jean Pierre ReguerrazOtto Dietrich | Otto Dietrich |
 Víctor BrunoBartender | Bartender |
 José María LópezFunes | Funes |
 Jorge OchoaLibrarian | Librarian |
| PPablo BrichtaNot listed | Not listed |