Sonia’s Cage is a female domination story that tells of a couple of friends that meet up again after going their separate ways at university. Sonia makes and designs restraints supplying the top end of the BDSM market. Once she discovers that Toby is also into BDSM she decides that he would be ideal to use to test her equipment before it goes on sale. Quite excited and keen at the start Toby soon find out how frustrating chastity can be much to the delight of Sonia as he become frequented with her dungeon and also her paddle. Satisfied that Toby needs a lot of training to be more use to her than just testing equipment Sonia sets about handing Toby back to his last girlfriend and giving her a key to his chastity cage while hoping she can retain his services for testing her new products. Alicia is unsure, so can Sonia persuade her to take control over her former boyfriend and become his new Mistress? Will Toby agree and accept Alicia as his Mistress? This is an enjoyable novelette for adults only, it features chastity, bondage, cross dressing, spanking, and other adult pursuits.