In 2007, from the ashes of a ruined city, a new beacon of technology—City-78—is rising!
Led by legendary roboticists Dr. and Mrs. Do, the city's construction is flawless… until a mysterious disaster strikes and all the adults vanish without a trace.
Now, it’s up to Eugene, his friends, and a strange yellow construction robot to save the day in a thrilling and heartwarming sci-fi adventure.
Friendship, courage, and a touch of comedy—can these kids save the city of the future?