In a dystopian world forever altered and twisted by the discovery of the enigmatic "Rift," a gambling addict by the name of Natasha fights her way through the "underground," a disorderly and multifaceted region located beneath the surface. With each step, she comes closer to unlocking the secrets of her inherent powers, facing various types of danger such as cybernetically enhanced thugs or the ravenous "Rifters" - dangerous mutants that have been corrupted by mysterious energies. Will she ascend or be forgotten?