After a cavalry group is massacred by the Cheyenne, only two survivors remain: Honus, a naive private devoted to his duty, and Cresta, a young woman who had lived with the Cheyenne two years and whose sympathies lie more with them than with the US government. Together, they must try to reach the cavalry’s main base camp. As they travel onward, Honus is torn between his growing affection for Cresta.

During the Second World War, Eugene enlists in the US Army during the last year of the War and is sent to basic training in Biloxi Mississippi. There he must live with a variety of fellow soldiers while enduring the whims of a mentally unstable drill sergeant.

It is a time of chaos. Earth is no longer what it used to be. It has been infested with a bug like species called the Blue. Yuji Kaido, who has a mysterious disease, is put into suspended animation until a cure is found. When he wakes up Yuji learns that its been more than 20 years since he was put into suspended animation, and the world is now controled by these creatures. He joins a group of soldiers equipped with powerful mechas to fight against the Blue for hope of a better future.

A government agent stumbles upon an alien conspiracy to conquer Earth. Using a blue liquid created by the aliens to make soldiers stronger, he becomes The Prototype-the only hope for mankind.

The events of the war in 1944, from the Blue Hills to Sõrve Peninsula. Shown through the eyes of Estonian soldiers who had to pick sides and fight against fellow brothers. Choices have to be made, not only by the soldiers, but also by their loved ones.