A girl waits tediously her torn at the waiting room of an examination room, surrounded by people waiting with indifference and accompanied by her grandmother, who ignores her. Immersed in a deep boredom, she is catched by a brand new science journal about the conquest of Mars.
Carla has to spend the day taking care of her neighbor Aritz. Between games, secrets and lies, little by little they will discover each other. Carla will realize that their lives are not so different and she will see that sometimes young children do things better than adults.
