Episode Title:
The Indelible Past.
Episode Description:
Setsuna and Tieria face off against Ali Al-Saachez's Arche Gundam, but are sorely outmatched until Allelujah and Lockon arrive and drive off the Arche. Learning that Ali is the man who killed his brother, Lyle learns the circumstances behind his brother's motivations and Setsuna's involvement with the KPSA, admitting that he doesn't share Neil's need for retribution. The A-Laws attempt to intercept the Ptolemaios II's return to space; the Ptolemaios' successful escape forces Commander Homer Katagiri to accept the help of the Innovators to prevent any more sacrifices. Kati sends a message to Celestial Being expressing respect for Leesa Kujo's tactics; Sumeragi realizes not only is Kati is a member of the A-Laws, but she is aware that Sumeragi is Celestial Being's tactical forecaster.
