At the opening of space boundaries, a special force, made up of humans and extraterrestrials, is created to maintain peace between different peoples: the Dragons of Weapon.
Agent Omega is not the same since his teammate Alpha lost his life in an attack on a Gun Dragon ship by the terrible witch Ashura and his right hand, Lucifer.
Time does not erase her wounds and she takes refuge at work, multiplying her missions, when suddenly, during a hiding place in Himler, the famous arms dealer Ashura appears again.