In a world where espionage and adventure seem to go hand in hand, the Cortez siblings, Juni and Carmen, return to action just as the tranquility of their lives as child spies is interrupted. After having successfully completed a previous mission, the young agents find themselves in a new and thrilling situation when a mysterious villain steals a high-tech device that threatens to destabilize the balance of power in the world.
Determined to prove their worth, the siblings embark on a frantic quest that will take them to a remote island known for harboring fantastic creatures and forgotten technology. But they are not alone in this adventure; other young spies are also in the race to acquire the stolen invention. As the siblings try to overcome their differences and combine their skills, they will face extraordinary monsters and unexpected challenges that will test their ingenuity and courage.
With time running against them, Carmen and Juni must learn to work together as a team if they want to thwart the villain's dark plans and save their parents and, in the process, the world. The movie is a visual feast full of humor, action, and that charming touch characteristic of the saga, where the value of family unity and friendship intertwine in a story that will resonate with both young and old. Spy kids, let’s go!