When the police discover a man with Down syndrome hiding at a crime scene, they launch an investigation to determine whether he's a witness or a suspect.
You can now watch Chromosome 21 online on the following streaming providers in the United States.
| Production | Matías Ovalle | Production Executive |
| Directing | Matías Venables | Series Director |
| Production | Patricio Macías | Production Executive |
| Production | Erik Barmack | Production Executive |
| Production | Nico Martínez Bergen | Producer |
| Production | Matías Venables | Executive Producer |
| Production | Nico Martínez Bergen | Executive Producer |
| Production | Roberto Matus | Casting Director |
| Sound | Aníbal Vidal | Original Music Composer |
