Det här är inte Kina – det här är Chinatown. I det hänsynslösa San Francisco i slutet av 1800-talet strider rivaliserande brottsfamiljer mot varandra, mot polisen och mot en öppet rasistisk vit arbetarklass.

During a concert by idol group Zwei Wing, an alien force known as the Noise attack the stage. Group members Tsubasa Kazanari and Kanade Amou suppress the attack using their Symphogear armor, but despite their best efforts, innocent bystander Hibiki Tachibana is fatally injured. Distraught and much to Tsubasa's dismay, Kanade sacrifices herself in the process to save Hibiki.

Two years later, Hibiki lives on. Tsubasa now fights alone. With the threat of the Noise increasing, Hibiki finds herself encountering the Noise once again but this time she is granted a chance to become attuned with the same Symphogear that Kanade wielded.

En kvinna förvandlas till en kycklingnugget efter ett missöde i en konstig maskin. Så hennes pappa och hans praktikant ger sig ut på ett knasigt äventyr för att rädda henne.

Gogo Matsumoto an 11-year old aloof martial arts prodigy, along with her half-demon older sister; Nono, her mama; Mama, and her cool pet frog; Coolfrog, competes in a martial arts tournament pitting humans against demons from another realm