Jamie runs into Tokimune as he plants flowers near his sister's grave, stating that he became a Trail Krieger pilot in hopes that he would quickly rise through the ranks and find the truth behind his sister's death. Jamie composes a message to her company demanding that Tokimune be taken off the Argevollen before he gets himself and the robot killed, but can't bring herself to submit it.

The 8th Unit is given unofficial R&R on the neutral island of Bellhals. Jamie has a coupon to a luxurious spa on the island and plans to visit, but is called by her boss at the last minute to update Argevollen's OS. The rest of the women go to the spa, while the men hang out at a local bar.

As the 8th Unit heads back to headquarters, Brigadier General Cowen of the Arandas Army nonchalantly informs Samonji that Arandas is slowly losing the war, Tokimune is the younger brother of his late subordinate Reika, and that the Argevollen was originally meant for his own use.

Several remote Arandas Army bases have been completely wiped out by what Suzushiro refers to as a ghost, as there were no witnesses left alive to detail the new threat. Independent Unit 8 has been ordered to the base at Kitazamahara to help defend the base from this new threat. Elsewhere, the schism between the Ingelmian Army officers and the Intelligence Division widens as both sides are racing to acquire newer Trail Krieger models.

Samonji forbids Tokimune from piloting the Argevollen. Tokimune listens to a recording of himself going out of control and attacking his own allies, and Samonji tells him a shocking truth: the Argevollen is based off the unit that killed his sister.

Cayenne rebels against the Arandas military, and Captain Samonji sides with him. The 8th Unit goes to stop Samonji, but Argevollen is captured instead.