It is the far future, United Earth Global Year 192- As Mankind's technology is progressing a alien invasion starts and humans are forced into battle with a unknown enemy. One night,two space knights find a injured young man who fell from the sky and take him in. He is then nicknamed "D-Boy"(Dangerous)because of his dangerous attitude-The young man's past remains a mystery and knows much about the earth's situation. He allies with the Space Knights and to everybody's amazement he has the ability to transform into a white armored warrior- Tekkaman Blade! Using the power he raises the chance against the aliens known as the Radam<br />