The siblings, Flora and Florentín, who actually live in the 18th century, have traveled with their time machine through the centuries. Once in the 21st century, the changes and technological advances amaze them. But at the same time they realize the damages that the environment has suffered in the last 150 years and that nature needs to be saved quickly. As there is not much time left to help the planet earth, they decide to take action, with the help of the audience. Recycling, caring for nature and planting trees. With the complicity of the audience they plant the first tree and make an agreement trying to save the planet.