A modern medical doctoral intern unexpectedly dies suddenly, only to be reborn hundreds of years in the past in the body of a young girl named Yu Duoduo, carrying memories of both her past and present lives. Wanting to avoid the tragic fate of her original self and prevent the downfall of the Blue Moon Kingdom from happening again, Yu Duoduo also longs to live freely. Having endured too much suffering in her previous life, all she wants this time is sweetness. Fate gives Yu Duoduo another chance to choose, and this time, she chooses a different life.