In Kim Su-hyun's life, a terrible tragedy occurs. Her daughter becomes a victim of abduction and soon it is discovered that she has been killed. The mother, who has lost her only beloved child, is devastated. But the heavens take pity on the destitute woman. She is given a unique opportunity to travel back in time 14 days before the horrifying tragedy. Now, Kim Su-hyun has a chance to save her daughter's life. However, she must face numerous challenges and unravel what is meant to happen...