Spring Again다시, 봄 ; Again, Spring

Eun-Jo decides to commit group suicide, unable to cope with the burden when her daughter dies in an accident. However, she opens her eyes to the day before. She soon realizes that once midnight strikes, she is sent forty-eight hours backwards. How can she stop this? Eventually, she decides to continue reliving the past so that she can improve the life of her future self. But what happens when nothing she does has an impact on her future?