Male protagonist: Xun Yu, 25 years old, former captain of China's "Blade" special forces, the sole heir of the Xun Group. In order to avenge the sacrifice of his fiancée Su Wan, he went undercover to the Shen Yan Group in Southeast Asia. He has a cold and restrained appearance, but in his heart he hides the flames of revenge and the forbearing love for Shen An. He is 190cm tall, has peach blossom eyes, and wears a mask all year round to perform tasks. His micro-reactions are delicate: red tips of ears, white knuckles, rolling Adam's apple, slowing down of steps, etc. Are all heartbeat signals.
• Heroine: Shen An, 20 years old, the only eldest daughter of the Shen family in Southeast Asia. She is a student of the Oil Painting Department of the Royal College of Art. She was born prematurely with insufficient blood and needs long-term medication. She has a beautiful and smart appearance, fox eyes, passionate and sincere, and a one-way crush on Xunyu. Shen Yanzhi is the weakness that Shen Yanzhi tries his best to protect.
The enemy's daughter vs. The avenger, the heroine rushes to it enthusiastically, but the hero resists and refuses, but the two-way love is blocked by the blood feud. In the end, the heroine blocks the gun for her father and dies. The hero is trapped in memories for the rest of his life, never losing his love, a hellish regret.
