Deep in the Ararat Mountains of Turkey, a secret organization known as ARCAM has found what is believed to be Noah's Ark. However, the U.S. Machine Corps., a rogue organization of the Pentagon, wants to take over the Ark as a means of global supremacy. Only a special ARCAM operative known as a Spriggan stands in their way. Japanese Spriggan Yu Ominae teams up with French Spriggan Jean-Jacques Mondo to combat members of the U.S. Machine Corps. led by Col. MacDougall—a genetically-enhanced boy with deadly psionic powers. However, they must act fast and stop MacDougall before he uses the Ark for his own agenda.

[Source: Anime News Network]

A great civilization once existed on this Earth. Possessing knowledge and scientific prowess far exceeding that of modern man, the relics of this ancient civilization remain hidden across this world even now. As high-speed communication networks cover the globe and the peering eyes of satellites are able to expose all secrets, the armies of great nations clash as they seek to uncover and research these artifacts, which possess an unfathomable "power." A member of this ancient civilization carved a message into a plate: "Protect our relics from evil-doers." Taking this message to heart, one organization aims to seal away this ancient civilization for good. The elite secret agents of this organization are known as... Spriggans.

[Source: Netflix]