The Dragon King's Palace

"Propelled silently by his frog feet, the diver floated toward his destination. There was no light, except for the murky beam from his waterproof torch. He couldn’t be sure he was going the right way."   A late-career secret agent... is this his last mission? Is he expendable? And who are these mysterious enemies anyway? What would you do if you had a chance to make a new start?