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On her wedding day, Heng Tian realizes that someone is out to kill her and her husband General Lin Xian. Fortunately, she has a device that makes it possible to travel back in time. She uses this several times in order to counter whatever plan there is to prevent her from marrying the love of her life. This includes solving a murder case that is related to the wedding. But there seems to be someone or something who keeps interfering.
(Source: PeeWee69 at MDL)