Following the fight with J'son on Earth, the Guardians of the Galaxy work to find the stolen Nova Centurian Helmets. To have an anti-Nova Corps helmet weapon, the Guardians of the Galaxy plan to head to the planet Cindra in order to seek out the know... (more)n weapon designer, Ja Kyee Lrurt. When they find her, she is a prisoner of her sentry robots. These robots only have the knowledge of war and want her to build a doomsday weapon that will take out their Ultroid opponents. Now the Guardians of the Galaxy must obtain a doomsday while dealing with the war between the Sentries and the Ultroids.