Clara Quinn is reborn with memories of the apocalypse, returning to the day before the plague. She knows the lupus plague is parasites from the fog, and their weakness is acid. She stocks up on soda, lemons, and white vinegar, sealing her house to create a safe house. Her selfish sister, Trixie Quinn, and her boyfriend, Aiden Landon, took family assets, hoarding corticosteroids and mocking Clara.