Ehh, sometimes it's a pain.

[Granted, she knowingly broke a rule stated by the king himself. But!!! The princess is her friend, and the king saw the error of his ways, so that means things are square!! Sometimes things just work out.

She tests the door once more. No budging. Figures.]

There's got to be some kind of explanation. Why would anyone go to the trouble of kidnapping a bunch of random people?