The ghost of a skylark visits Shouxue, which leads to her hearing the tale of the Skylark Princess and her tragic death.

Two ghosts from Gaoujun's past continue to haunt him, as Shouxue and the eunuch Wei Qing investigate the cause. The answer may lie in the depths of the red-light district...

Shouxue searches the storehouse for the ghost's gemstone, while Gaojun investigates the Raven Consort's secrets.