"Must Love Breeches" is a romantic comedy set in contemporary times, following the life of a young woman named Elizabeth who finds herself magically transported back to the Regency era. This unexpected journey occurs after she encounters an antique mirror that serves as a portal. As Elizabeth navigates this new world, she discovers the challenges and delights of Georgian society, including the norms surrounding class and gender, which are vastly different from her own time.
Throughout her adventure, Elizabeth grapples with her modern sensibilities while trying to fit in with the societal expectations of the period. She meets a charming yet perplexing English gentleman, leading to a romantic entanglement that forces her to reevaluate her beliefs about love and partnership. The chemistry between them adds both tension and humor to the story as they bond over their differences and shared interests.