Trying to establish a medical practice in the capital has proven to be trickier than performing surgery! Yet as Koyou attempts to get things off the ground, an unexpected encounter with a drunken, lecherous geezer turns out to be a fortuitous next step. Then later, the young doctor finds she's got another challenge on her hands and this time it involves acquiring a critical medical instrument. After all, how exactly does someone make a hypodermic needle?

Koyou rolls up her sleeves to perform yet another revolutionary medical procedure-an appendectomy. But even though she's armed with incredible knowledge and the tools to do it, Koyou is having a hard time convincing people to let her to cut someone open. With the life of a high-profile bureaucrat on the line, Keiun once again stakes his reputation and more on Koyou's skills. Will this first-time operation be a success for the young doctor? Or will it end in tragedy?

Koyou has singlehandedly saved the village! It's a big break for the young doctor, the prince, and the medical revolution on the horizon. At the same time, however, they have gotten a glimpse into a sinister plot linked to the Stem Sect and the ambitious Consort Ro. But upon her triumphant return to the capital, Koyou finds someone unexpected waiting for her

Determined to get to the bottom of a mysterious pandemic, Keiun leads a topsecret mission into the neighboring Plum Province to investigate rumors of a 'mountain curse' that has already claimed many lives. Discovering it was a contagious disease all along, Keiun also uncovers a scheme to conceal the spreading sickness as well as the Stem Sect's hidden movements in the shadows. Left with no choice, Keiun uses the last ace left up his sleeve...

At last, Koyou's practice is open and ready for patients, but business sure is slow! Bored to tears, she stumbles upon the perfect thing to lift her spirits-muscle erotica?! And while muscle-obsessed Koyou ransacks the capital for more, Keiun sets out east to the Plum Province to find out more about a strange illness.