Shen Zhiguang, the only daughter of the "Kande Group", one of the five major business groups in the Bamboo Kingdom, has enviable wealth and status, but lost her freedom under her father's strict discipline. She longed to get rid of her constraints and pursue her dreams, but in an accident she was sent to the internationally renowned Eldon Clover Girls' College. There, she met Avril, a good-looking girl who seemed "cold" but hid an unknown secret.
Avril, a new generation of female killer trained by the Blood Dawn organization, shoulders dangerous tasks. She was sent to Shen Zhiguang's side, trying to get close to Shen Zhiguang's father, Shen Hede, to obtain organizational secrets. However, she gradually lost her way with Shen Zhiguang, and she began to lose sight of the boundaries between tasks and feelings.
Six years later, Avril returned to Shen Zhiguang's life again. She appears as Bai Yueguang, with a mysterious past and unsolved mysteries. Shen Zhiguang is surprised and confused by her return, while Avril struggles between completing her mission and protecting Shen Zhiguang. When the relationship between the two heats up again, the truth hidden behind them gradually emerges.
How will Shen Zhiguang face this "Bai Yueguang" whom he once loved deeply? And can Avili get rid of the shackles of fate and find her own freedom?
This is a story about love and betrayal, freedom and bondage, truth and lies. Under the illumination of the moonlight, lies will eventually be exposed, but the truth may be more cruel than imagined...
Concept: Even the coldest killer can be influenced by love