Seventh sister of the celestial world goes down to earth to marry Dong Yong, a young man sold to servitude. However the Jade Emperor orders her to go back to the immortal world.

Ling Bo is Lin, a young man engaged to the daughter of a rich man, who now despises Lin because of his family's declining status. Lin visits his beloved fiancee before he heads towards the imperial city to participate in the civil service examination, only to find her maid lying dead in blood. Lin is then accused of murder. How can Judge Bao prove his innocence?