He teaches mathematics and she teaches biology. He's a nerd, an object of ridicule; she's a lady of impeccable manners surrounded by admirers. The only thing they have in common is their brilliance: they both speak several languages fluently, have a command of the latest technology, know how to use all kinds of weapons and are trained in the martial arts. These two teachers are, in fact, legendary spies. And now they've teamed up. So beware, terrorists and maniacs everywhere. Kids, relax - your teachers have bigger fish to fry