The Human-Covenant War rages, and Earth is the next target. Knowing the defense is a desperate gamble, the UNSC dispatches an Ark Fleet – carrying the last hope of humanity – to find a new home. But an unforeseen anomaly during their Slipspace jump hurls them into an unknown galaxy, facing ancient secrets and a new, terrifying threat.

Betrayed and murdered, Sia finds herself in a white void, offered a second chance by a mysterious System 606. Her mission? Transmigrate into different dimensions and destroy the heroine in each world. Her first target: the 'Rebirth of Thousand-faced Genius Cultivator' world. Can Sia navigate treacherous cultivation realms, manipulative characters, and the System's bizarre quests to earn her rebirth?