An alien ship crashes on Earth and the secrets it bears lead Earth into three interplanetary wars.
Minmei pursues Rick as Rick takes Lisa on a picnic.
Khyron plots to steal protoculture to reactivate a damaged battlecruiser; Minmei, fearing for the end of her singing career, turns to Rick for support, and Lisa catches the two having a heart-to-heart conversation in Rick's apartment.
Scott's group joins the Robotech forces in the attack on Reflex Point, but differences of opinion threaten to split the group at a critical time; Marlene comes to terms with her Invid identity of Princess Ariel and aids the freedom fighters.
Scott battles Corg while Lancer and Sera defend the Invid hive long enough for the Regess to gather her brood and make a final bid for survival.