The Parabellum, a privateer pirate ship under the Galactic Empire, is piloted by the mysterious Ironbeard, who drives off the enemy ship, the Grand Cross. After Ironbeard warns Marika that space pirates will be wiped out if nothing is done before retreating, the Bentenmaru manages to get everyone off the Big Catch before it explodes. Later, Chiaki informs Marika and Gruier that Kenjo wants to call all of the space pirates who fought during the War of Independence to reform the pirate council and unite against the pirate hunters. The Grand Cross is one of four new prototype ships with gravity control technology made for the Imperial fleet, and the Empire might be involve due to the Parabellum. To t=do this, they need to find the legendary chef, one who serve and united the pirates during the war and the only who has the song to call them. Going to the private restaurant, Marika suspects Oyaji to be that person, but it turns out that he is the son of the legendary chef, and that his older brother took the title instead. Nonetheless, he plays the rally song of the pirates to all of the space pirates old communication units to gather at the Pirate's Nest. As the Bentenmaru makes its way, they are confronted by the Grand Cross.