Ok heres the story line.
This guy from the future named
jeb is working with a crazy inventor in the year 3003 and the inventor soon discovers something in the wild a gem. The inventor brought the gem he had found to his lab. He done some tests on the gem. The gem was made of Opel. Apparently opel is very rare and the material is not a substance from earth the gem is in the form of a necklace. The inventor was very fond to figure out its secrets. Thats were jeb came in. The Inventor did some tests and something when wrong terribly wrong with a flash of light jeb was gone. Thrown into the past. Your job is to get jeb threw this alve. But the enememies have found it first retreive it and get back home.