Nate is a musician, not a fighter. So when his band Underdawn is thrown into the apocalypse with a game-like system, he had little choice but to choose music as his weapon. Now, Nate and his friends find themselves struggling for survival, and doing whatever they can to become stronger.

Underdawn finds themselves on an adventure that is as exhilarating as performing in front of thousands and as horrifying as forgetting the words to the national anthem in front of the same crowd. Join Nate and his friends as they learn how to navigate a new world of combat, cultivation, and a mysterious organization.