The princess does not know which door to lead her lover too. With finding out which door held the tiger and the beautiful lady, she has been wrestling day and night with her thoughts about which life to sentence her lover too.
It is a simple tales of a pair of lover against an unforgiving society. The princess and her lover can not be together because of their social statues.
It is the lover of the princess vs the semi-barbaric king's system of judgement. He has to survive whichever trail he gets, and hope the princess will save him from her father's wicked game.