After surviving another undersea battle with Zonedike's forces, the crew of Blue Submarine No. 6 returns to base for repairs. While on base, Tetsu continues to display his trademark lack of concern for authority and continues to annoy Mayumi. However, during a battle planning video conference, Zonedike breaks in with a pirate transmission, sending the human forces into a panic. What cruel fate does he have in store for mankind, and has he truly turned his back on his own people?
