No.

[There's no reprisal for letting her in. Just a cold and flat refusal.]

Permitting a speaker into this house will anger too many people, both of this kingdom and our neighbors. That is an unacceptable risk, Belmont. Employ her as a spy if you must, but she cannot be anything but a visitor for several hours at most.

I will know if you let her remain. Her scent is distinct.