Банально, но просто . Once upon a time in the tower lived Princess. She was guarded by an evil dragon. It was very scary and no one was allowed even to approach the tower. A handsome Prince of a neighboring Kingdom wanted to kill dragon and free the Princess. One day he came on his brave horse to the tower. But the dragon began to breath the fire. Another day the Prince decided to the trick. He came to the tower when the dragon was sleeping and cut off its head. The Princess was free and happy. And they soon married. Happy end!