"The last thing Gail saw before blacking out, was Amber holding her hands out for the shadow's embrace just as it reached her. The last thing she heard was her scream." The Luck-Key is an abandoned casino with a single resident. Gail has heard music in her head her entire life, it has warned her of danger and kept her alive. Until now. When her family moves to a new city, Gail will get what she's always wanted.

In the near future, E.E.F. or the Earth Expansion Force is undertaking the colonization of distant planets. And they need more recruits. A young man named Armand, finds himself one of the few unlucky enough to be chosen for the stressful process. But after only a couple of weeks in space, the ship Septenary is assailed by mysterious beings from beyond the known galaxy. Armand, along with his friend Sayo, must flee for their lives in order to survive what is to come.