A middle-aged gay man from Atlanta embarks on a year-long journey into BDSM, seeking to understand permanent chastity and submission. The author, writing under the pseudonym L. D. Cub, draws from personal experience to detail the protagonist's exploration of his role as a subordinate to a dominant. Facing the expectations of his trainer and the possibility of never being released from chastity, he navigates new relationships and questions his ultimate goal of achieving a permanent collar. The narrative is set between 2015 and 2016, exploring themes of service, control, and the pursuit of a specific sexual dynamic.

The premise of Southern Chastity suggests a narrative deeply focused on the psychological and physical aspects of BDSM, particularly the submissive experience within a year-long commitment. The author's use of personal experience as a basis for the story indicates a potentially intimate and authentic portrayal of the themes explored. The setting and timeframe provide a contemporary backdrop for the exploration of these specific sexual dynamics. The narrative appears to center on the protagonist's internal struggle and his interactions within a dominant-submissive relationship, aiming to explore the concept of permanent chastity.