Caleb Carter and his two freinds Skye and Turner are thrilled when they find the video game they have been wanting to play under a bus seat. They soon find out that finding the game has ruined there lives. Not only is the game an alien portal letting evil aliens into Earth, they learn that it's there job to go back in time to some of the deadliest times in American history and close down all the portals that have ever been opened. They must go to:
The Civil War
The Titanic
The Texas School Explosion
Pearl Harbor
Nine Eleven
and Hurricane Katrina
Then they must go into the alien planet and save there parents.