When Rank, the leader of a robot community, destroys all humans on earth, he locks all of the humans in the box, along with our inventions, ideas, famous TV shows, monumental buildings, and prized objects. The humans, or what they call them intruders, have nobody to save them. But when Ace, one of Rank's assistant, finds out he is determined to bring them back! Ace develops a team with his 4 closet friends, Marc, Mandy, Leighton, and Ida. Together will they bring back humans and destroy Rank, or will mankind as we know it be doomed for good?