A forbidden love that walks on the edge of light and darkness, an ultimate pull between love and sin, redemption and destruction.
During the day, she is Han Zhi, a frail white flower that everyone in the university pities. Her parents are dead and she lives with her brother Han He.
At night, she is the "judge", calmly planning perfect murders against sinners.
Li Shuo, the criminal police captain, comes from a happy background, is ruthless and sharp. A bizarre murder case made him notice the fragile girl who was under the protection of his brother's technology company - his sister's best friend, Han Zhi.
He presses forward step by step, searching for the truth among the clues; she maneuvers skillfully and dances on the edge of danger. In this peak showdown of intelligence and emotion, two lonely souls are involuntarily attracted to each other.
"Li Shuo, you can't catch me."
"Han Zhi, I never wanted to catch you."
When the curtain of truth finally fell, she chose to commit the final "perfect crime" to him in the most decisive way. And he will spend his entire life's loneliness remembering the girl walking in the white night.
