An unusual group of robbers attempt to carry out the most perfect robbery in Spanish history - stealing 2.4 billion euros from the Royal Mint of Spain.An unusual group of robbers attempt to carry out the most perfect robbery in Spanish history - stealing 2.4 billion euros from the Royal Mint of Spain.An unusual group of robbers attempt to carry out the most perfect robbery in Spanish history - stealing 2.4 billion euros from the Royal Mint of Spain.