Discover the adventures of the little explorers who are designing a better world in a distant future, in the 21st century!

Julius, Maria, Carolina, and Juan, friends and classmates, have founded the Adventure Hunters Club of the 21st century. When the presentation of a hot air balloon is announced in their town, they can't resist the temptation to secretly examine it. As the children explore the inside of the basket, they sabotage the ropes and the wind carries the balloon into the sea. After an incredible journey, they will land on a mysterious, deserted island. A tremendous adventure will begin, and the four friends will have to use their intelligence, courage, and above all, their friendship to survive.