Set during the Heian Period, Kyo is a beautiful city that is proud of its glory. Two beautiful onmyouji meet, and the sad and short-lived beautiful cherry blossom starts to stir after 1000 years.
Lurking among us are the Horrors, ancient enemies of our kind. Holding the line against them, down through the ages, are the Makai Knights. Assuming the aspect of Golden Knight Garo, Raiga Saezima has vanquished one such demonic creature, but his magical armour has been tainted with evil. Furthermore, a Knight of the dark has materialized, and taken hold of Mayuri, so dear to Raiga. If he hopes to rescue her, Raiga must board a mysterious train destined for the netherworld. As he advances through the cars of this train, Raiga comes ever closer to confronting his own hidden truths…
The current wearer of the gold wolf armor Garo, doesn’t believe women can be chosen to wear mystic armor. When Kouga's quest thrusts him into conflict alongside Priestess Rekka, he’s forced to acknowledge that the female species can be deadly!
Ryuga Dogai returns to investigate a new mystery - the theft of Makai Knights armour. Among the victims are Ryuga's old comrades from the Volcity crisis, Takeru and Aguri. The three will face off against an enemy previously though defeated - Zinga.
Leon, who has succeeded the name of Golden Knight "GARO," devotes himself to train a young Makai Knight for the next generation, together with Prince Alfonso of the Valiante Kingdom. Then, they receive an order to exterminate the most beautiful Horror in the world which resides in a neighboring country "Vazelia." At the same time, a young Makai Knight for the next generation is kidnapped by an unknown person. Leon desperately follows them, only to find that he is surrounded by his enemies at a dead end. Then, a Makai Knight Dario who was supposed to be missing for some time suddenly appears and rescues him. Under his guidance, Leon is led to the town where he meets up a totally unexpected person.
The spirit of Kiba the Dark Makai Knight influenced everything since the beginning. Though he called himself a Makai Knight, Kiba was no different to a Horror. Kiba's spirit resides inside what was once a grey colored Makai Armor that's filled with the dark knowledge of Makai Power. As Barago absorbed Horror after Horror, Kiba eventually deformed into an organically pure black armor with a cape. Kiba assumed full control over his host upon Meisha's defeat by Kouga.
Ryuga and Makai Priest Rian attempt to cleanse the Golden Armor when they are confronted by living weapons- the Madou– who have another way to free the world from Horrors. In the process, Ryuga will unlock a new stage of power referred to as Garo Sho.
In the aftermath events of GARO: Chapter of the Black Wolf, Saejima Kouga sets out to the northern district upon reassignment. While hunting down Horrors, a young priestess named Rin informs Kouga that she's been sent by Priest Amon to save a presumed dead friend in the Makai realm within Kantai, Jabi. Kouga teams up with Rin in a quest to save Jabi as they are hindered by supernatural and Makai forces alike. Meanwhile somewhere in Japan the dark Horror lord Legules was resurrected and plots a means to alter a supernatural event called White Night within Kantai to plunge the world into darkness with his "family." It's the final chapter of GARO as Kouga puts his life on the line to save Jabi and defeat Legules before the world is ruined.
Garo: Soukoku no Maryu (lit. Blue Cries of the Demon Dragon) is the second film to the Garo series. The film serves as an epilogue after Makai Senki and leads up to The One Who Shines in the Darkness. The story continues after the events of Makai Senki. Having made a contract with Gajari, Kouga Saejima honors his end of the deal by traveling to the Promised Land to retrieve a part of Gajari: the Fang of Sorrow. After Kouga defeated Sigma, Gajari transported him to the Promised Land, however, his quest had unexpected results.