The story takes place in a world where two countries, Arandas and Ingelmia, have been warring against each other for a very long time. Tokimune, a young man belonging to the eighth autonomous unit of Arandas, saves a girl named Jamie when she is attacked by enemy forces. In order to survive, he rides the new weapon Argevollen and fights.

Argevollen (白銀の意思 アルジェヴォルン, Shirogane no Ishi Argevollen, lit. "Silver Will Argevollen") is a Japanese mecha anime television series by Xebec. It is scheduled to air from July 2014. The opening theme will be performed by Kotoko and the ending theme will be performed by Sachika Misawa. The series was picked up by Crunchyroll for simulcast streaming with English subtitles.[2] The anime has been licensed by Sentai Filmworks.