Relates how four undocumented Mexican immigrants in Arizona put together an underwater robot from scavenged parts and went on to win the National Underwater Robotics Competition at UC Santa Barbara.

Eighth-graders Evelyn and Allie are in trouble. Evelyn’s constant need for perfection has blown some fuses among her robotics teammates, and she’s worried nobody’s taking the upcoming competition seriously. Allie is new to school, and she’s had a history of short-circuiting on teachers and other kids. So when Allie is assigned to the robotics team as a last resort, all Evelyn can see is just another wrench in the works! But as Allie confronts...