Jin Yu's name is hidden in the secret whispers of the royal family, and also wanders in the wind and frost outside the palace walls. She was originally an unknown chamberlain, with a mysterious background and a lonely figure like snow. However, due to a late-night conspiracy, she was forced to embark on an unknown journey - to find a secret that could shake the foundation of the dynasty. The shadow of power follows her like a shadow. Her former companions have become today's hunters. Truth and lies are intertwined into a cobweb, forcing her to bet her lonely soul on every choice she makes. Jin Yu does not do it for power, but for the desire in her heart: to find her own destination and answer in this lonely world. Her journey is a self-salvation and a counterattack against fate. Under the cold moon of the palace, Jin Yu single-handedly unravels the most secret mystery of the royal family - every step she takes is a glimmer of light in the darkness.
