I Met My First Love Behind His Back with Our Child, Then Asked for a Divorce. He Panicked

[Hero: firefighter and secret powerhouse VS heroine: eye doctor and medical genius; second male lead chases his wife with their ungrateful son] After six years of marriage, Mu Zhi thinks she can warm Lu Jin Yu's heart, but he remains cold and distant toward her. On their wedding anniversary, she believes their son is trapped in a kindergarten fire and rushes into the flames, risking her life. Meanwhile, Lu Jin Yu takes their son to meet his first love in secret. After surviving the ordeal, Mu Zhi sees them together, close as a family of three, and finally comes to her senses. She leaves divorce papers, gives up custody of her son, and returns to her profession, becoming more and more brilliant. But the jerk refuses to sign the divorce papers. One day, he brings their son to congratulate her on winning another award for her research paper, only to find another man standing beside her, his eyes full of love for her...