The TV series "The Princess's Legacy" is a Ukrainian adventure detective story set in the fictional state of Saint-Lumière. It is a small but proud country on the border of France that has managed to embody humanity's utopian dreams of justice. However, there is one problem: the monarch of the state, King Henri, owes a considerable sum to the French government. Now, the neighboring countries are eager to absorb Saint-Lumière. The only way to save the situation is for the heir Prince Felix to marry the daughter of an American billionaire.