10 year old Ben Tennyson is on a country wide road trip with his Grandpa Max and Cousin Gwen over his summer vacation. He thinks it will be the most boring summer ever. Until he comes across a strange watch-like alien device from Outer Space. It attaches to his wrist and it allows him to turn into 10 different aliens. Unbeknownst to Ben, Gwen or Max. An Alien Warlord named Vilgax wants the watch, he sends out robot drones, a giant robot, bounty hunters, makes a random thug infused with his robot tech to hunt down Ben as well, until he is ready to go for the watch himself. Ben is found by Vilgax, captures him and takes him to his ship to remove the Omnitrix. His Grandpa Max turns out use to be an alien fighting secret agent called a Plumber and plans to save Ben. Ben must defeat Vilgax and save his Cousin, his Grandpa, and the World.
