

After experiencing a gruesome death in the blizzard apocalypse that had transpired in her previous life,Wendy Levine has been reborn to the timeframe that's set 30 days before the start of the apocalypse.But this plot is different from the usual ""superpower"" or ""possessing a spatial ability"" trope. The Levines have gotten reborn together, with the exception of Jenny Levine, the traitorous younger sister. Not to mention, they don't have any physics-defying abilities that can help them out.Armed with just the knowledge of their past lives, the Levines sell all of their assets decisively in exchange for tens of millions of dollars in cash. Then, they use the patriarch, Alex Levine's knowledge in engineering to build a top-tier apocalyptic bunker that obeys the laws of physics.

Lydia Nott's mother-in-law falls gravely ill, but Ian Hart, mistakenly thinking the ambulance is for Lydia's ex-boyfriend, blocks its path. At the hospital, he refuses to donate blood and even destroys the blood source needed for the rescue. Despite Lydia's efforts to find help, her mother-in-law dies. Ian skips the memorial to attend Ivy Scott's birthday, only to learn the truth too late. When he tries to expel Lydia from the Hart family, he discovers she's the rightful heir. Stricken with guilt over his mother's death, he is left to face the consequences of his actions.

Corporate drone James Solis is arranged by his father Aurel Solis to marry the comatose Clarice Lull. After obtaining the marriage certificate, James plans to wait for Clarice to wake up, then confess and divorce to pursue his own true love.Clarice's twin sister Betty Lull arrives at James' workplace to test his sincerity toward her sister. James mistakes them for the same person, creating countless misunderstandings. When James discovers they are twin sisters, he regrets everything, while Betty has also developed feelings for him. Just at this moment,Clarice's condition improves and she awakens.