Science fiction firmly anchored in modern technology During a glider flight training course, Yoko makes a landing near an important telecommunication centre, and there meets a mysterious English Lord. A fortuitous encounter that will propel the young woman and her friends into an incredible adventure - her combined skills as a pilot and an electronic engineer make her the ideal candidate for an insane project: land a glider clandestinely inside a crater at the border of China, Russia and Afghanistan.