In her past life, Lynn was abandoned by husband Joel Shaw, mother-in-law, and brother-in-law Caleb Shaw, freezing to death with daughter Tia. Reborn before the extreme cold, she is determined to protect Tia, take revenge on the Shaw family, and survive. She builds a bunker, hoards supplies, and thwarts their schemes. After the extreme cold, she and Tia join a rescue team base, starting a new life.