三个孩子在公园里骑自行车。最小的洛伦佐被他的对讲机的奇怪干扰所吸引。面对着他在树下看到的那个痛苦的小生物，他的朋友们来到了他的面前。是外星人吗?是火星人吗?

Three children are riding their bikes in a park. Lorenzo, the youngest, is attracted by the strange interferences of his walkie talkie. Pietrified in front of the small agonizing creature that he saw at the foot of a tree, he's reached by his friends. Is it an alien? Is it a martian?