ZAFT soldiers loyal to Patrick Zala set Junius Seven on a collision course for Earth. Tensions rise between Cagalli and Shinn due to Shinn blaming the Athha family for his family's death. Meanwhile, Lord Djibril and Logos leaders decide to use the Junius Seven incident to destroy the PLANTs. While Yzak Joule and his squad plan to destroy Junius Seven's debris, they are confronted by GINN High Maneuver II units.