A blind detective and his assistant were hired to unmask some young hackers. Under the circumstances, the two investigators joined forces with young "hackers" to fight against a powerful businessman who set up a large telecommunications and computer network in order to defraud the stock market.

Fernando Guillén Cuervo
as Raúl Gamboa

Karra Elejalde
as Roberto Mesa

Cayetana Guillén Cuervo
as Vicky

Paulina Gálvez
as Marta

Lola Baldrich
as Marisa

Francis Lorenzo
as Javier De la Torre

Ángel de Andrés López
as Productor

Fernando Guillén
as Padre de Gamboa

Eva Serrano
as Nieves

Jorge Monje
as Andrés