Ergo centers around a twelve-year old entrepreneur named George Ergo, who is determined to change the world with his fantastic inventions.
He starts a company, Ergo Industries, and builds a robot assistant named Arrowbot to help him.
With the ability to learn at superhuman speeds, Arrowbot analyzes all of human history, and comes to a stunning conclusion: human beings were happiest living as hunter-gatherers. Much to George’s dismay, Arrowbot takes to the trees.
As Ergo Industries continues to grow, George begins to pursue more daring ventures into space travel, genetics, and robotics.
Meanwhile, George’s younger sister, Tessa, happily watches her brother work. While her ambitious brother races from goal to goal, Tessa spends her time drawing, painting, and daydreaming, ever in the present, and without a care in the world.
George’s father, Rick Ergo, watches his son’s far-fetched plans unfold with mild amusement. Sometimes he lends a word of sound advice, but most of the time he’s behind his old 1942 Royal typewriter, writing short stories.
George’s Mother, Sarah Ergo, shows more concern about George’s endeavors than her laid-back husband. George’s antics often cause her a great deal of stress. After a busy day working as a veterinarian at the Ergo Animal clinic, she’s hardly amused when she discovers George’s latest projects, which often end up exploding or causing damage in some bizarre and unexpected manner.
As George’s success starts to take form, he begins to be tempted by greed and power. Meanwhile he struggles constantly between his restless ambition and the realization that there’s more to life than wealth and work.
Day after day, George and the rest of the Ergo family discover what it means to be a family in a fast-paced modern age, where so much is possible. They learn how to handle the complexity of the day, and, often thanks to the observations of a little yellow robot, what it means to be human.