In 2100, the newly constructed Bayside City functions as Japan's leading international port. The Angel Arms Company is founded by Takako, a former policewoman, to combat terrorism using armed security suits. Following the mayor's assassination, the women of Angel Arms are tasked with protecting the villainous crime lord Hassan, hoping his intelligence will aid in dismantling a global terror network. Takako finds herself in a desperate situation as a group of criminals schemes to murder Hassan, and the organization's leader is revealed to be the former lover of Alisa, a member of Angel Arms.