Lin Yali is a graduate student in the Department of History, specializing in modern family history. She is stubborn and has a strong sense of empathy. She has an almost paranoid pursuit of "perfection". Since she was a child, she heard her grandmother complain that "if your grandpa had not impulsively proposed, I should have gone to university in Peking." She believed that the marriage of her ancestors was a "tragedy of delay."
So she always wanted her grandmother to "get rid of regrets", and she also wanted to change history to verify the theory she proposed in her paper that "key nodes in family destiny can be intervened", so a magical journey through time and space began...
