Stella Linden, devoured by her relatives in her past life, is reborn three days before the apocalypse! She seizes an old building with a doomsday fortress system, hoards supplies, and unlocks high-tech abilities. She scams millions from her relatives. As floods submerge the city and extreme cold rages, she gathers allies, ensuring her enemies meet their demise. She transforms the building into a doomsday Sanctuary, delivering revenge and hoarding.