A young woman with a history of seeing interdimensional rifts must confront an escalating global apocalypse and her own emerging powers when a tear opens during her sister's graduation. Battling horrors, a shadowy agency, and strange new abilities, she fights for survival and the truth behind the collapse of reality.

Claire must choose between being a guardian or a destroyer as she navigates interdimensional conspiracies to save Reality Zero. She must gain power and stop godlike entities from ending her world, all while dealing with a rogue human and untrustworthy allies.