During the Heian period, Abe no Seimei trains in magic but lacks interest, until a collaboration with Minamoto no Hiromasa arises to solve a strange phenomenon.

El arrogante y ambicioso Dōson, líder de los maestros de la orden de onmyojis, está celoso de Abe no Seimei, otro onmyōji con mucho más talento y pureza de espíritu. Mientras tanto, en el palacio, los consejeros personales del emperador compiten por tomar control del trono imperial. Cuando el hijo del emperador es transformado en un monstruo, Abe no Seimei sospecha de Dōson. Para destapar el complot se hace con los servicios del espadachín Minamoto, el espíritu de la mariposa Mitsutsu y la guardiana inmortal Aone.

Kyogokudo is a used book seller who doubles as an onmyouji, or Heian style occultist. His friend Sekiguchi brings him the story of a woman who has been pregnant for twenty months. Sekiguchi investigates further with the help of his friend Enokizu, a detective with the unusual ability to see people's memories. They are hired by the impossibly pregnant woman's sister to find the woman's missing husband and lay this whole matter to rest. In the end, they need the help of Kyogokudo to exorcise the family curse.

Un grupo de demonios en la antigua capital japonesa de Heian está desmembrando a miembros de una familia de nobles japoneses.

In the early Republic of China, as Japan seeks to invade, a mysterious Onmyoji is sent to disrupt China's Feng Shui by locating its dragon veins. Led by Master Qi, a group of Chinese Taoists uncovers the plot and engages in a fierce battle of strategy and magic to protect their nation's sacred power.