The king and queen of Togramia have one son, who will one day inherit the kingdom. Unfortunately, the wisest men pronounce that his health is very delicate and must be protected from everything. The king and queen order the palace doors to be closed and all the surfaces to be covered with wool and cotton. But, like all children, the prince is curious and finds a way to discover the world. The story revolves around Principle 2 of the Rights of the Child, according to which all boys and girls should enjoy special protection and opportunities for their development, always in conditions of freedom.