With just 30 days until the AI customer service agent “Xiao Ai” goes live, its ability to recognize emotions is still abysmal. Faced with cold code and an anxious board of directors, genius trainer Lin Yuqing faces her ultimate challenge: how can she teach a machine to understand human anger and disappointment? When traditional algorithms fail, she stakes everything on a cutting-edge “emotional vector space” model. This is a race against time, and a question of ethics: when technology meets the complexity of human nature, can she infuse the algorithm with genuine warmth and teach AI what it means to be “human”?