The king had an arena made for him to punish the wrong doers. During the trial of the arena you have a 50 percent chance to marry a lovely lady, or get eaten by a tiger.
The princess has fallen in love with a young man. She hasn't told her father, because he isn't of royal blood.
The king has finally found out about this younger lover of his daughter. He is sending him to the arena.
Falling action/ Resolution
The lover has a 50/50 chance of dying or marrying someone who he doesn't love. He knows that the princess knows which door has the tiger and which has the lady, so he asks her.
The princess realizes that her lover wants to know which door to choose, and she knows which door will keep him alive. So she points towards the right door.
The lover rushed over to the right door, but he realized that the princess was jealous. He thought about what to do and he got the perfect Idea PUSH BOTH BUTTONS!!. He opened the doors ran to the door with the lady, pushed her down and ran. While the tiger was eating the lady he was running away. With no lady to marry, and with not being dead, the young man could marry the princess, because the king was impressed with his intelligence.