Chen Mai's grandmother travels to another world, where she cultivates her powers to great heights. To overthrow a tyrannical emperor, she leads an uprising, but with military provisions running short, she sends her primordial spirit back to Earth to seek help from her granddaughter, Chen Mai. To help her grandmother, Chen Mai doesn't hesitate to enter a fake marriage with Fu Yanjing to obtain the money needed to prepare military supplies. The two then become caught up in a series of hilarious and unexpected events. Eventually, Chen Mai makes a surprising discovery: Fu Yanjing is actually the man who appeared in her dreams.