Stories and pictures themed around female domination and male subjugation and servitude. Unsuitable for children, for alpha males, for hard-core practitioners with an interest in the politics of bdsm and the mechanics of complicated rope work. Of interest to perverts like me, basically.
And if, when she does, she doesn’t come to open the cage, you can wait until she goes out again, too, and then start the whole thing all over again. It helps pass the time.