This serie revolves arounds a person who actually prints money from the royal mint of spain.he brings some people together & they capture it & print their own money.the professor in this series plays an awesome role. Hes got the brains behind that plan.it seems like they are prepared for move for the government. The professor always save his companions when they are in trouble.this is however the best series to watch in quarantine.must watch how intelligently the professor worked in this.