When a young girl is found amid the wreckage of an accident caused by an alien craft, Mariel (Alejandra Barros), head of a secretive task force investigating the paranormal, must solve the riddle of a frightening message the girl delivers which suggests humanity is on the verge of extermination by a hostile alien force.
| Actor | Role |
|---|---|
 Gonzalo VegaProfesor Owen | Profesor Owen |
 Manuel BalbiGraco | Graco |
 Alejandra BarrosMariel | Mariel |
| AArturo DelgadoVega | Vega |
 Liz GallardoEmma | Emma |
 Humberto BustoMartín / Uffo | Martín / Uffo |
| LLuisa GuerreroFernanda / Niña | Fernanda / Niña |
| CCristina OvalleAlejandra / Bacteriana | Alejandra / Bacteriana |
| RRubén BrancoPleyadiano | Pleyadiano |
 José María TorreBernardo | Bernardo |