On the eve of the college entrance examination, Lin Xinyao's family was brutally murdered by a masked man, but fate granted her a chance to relive her life. She made preparations to fight back twice, first wrongly identifying the murderer as their neighbor, Aunt Li. Ultimately, the real killer still impersonated a police officer and broke into their home. Lin Xinyao, her grandmother, and Aunt Li were all killed, trapping them in an endless cycle of doom.
