Half Fire Half Frost

In the 1960s, orphan Li Luo endures cold treatment at the Lu family, then bravely joins the Hong'an base for aerospace research. Partnering with her colleague, she overcomes the Mirror Project, enduring wind and snow, rumors, and sabotage by enemy agents to become a titan in aerospace. Her fiancé, Lu Jinnian, shifts from indifference to regret, dedicating himself to base security to protect her. Ultimately, like parallel planets, they each fulfill their duty to the nation in their respective fields of science and defense, weaving a passionate legend of personal emotion and era responsibility.