Jiang Lin was at the top of the layoff list and was shunned by the entire company. However, three months later, he paralyzed the company's AI core with a string of keys, triggering a storm of public opinion. Su Yong was ordered to restart the system when she was in danger, but she was shocked to find that all the abnormalities pointed to the shadow code left by Jiang Lin. Chen Ye's secret diary, Lin Wei's secret plan, and the dust-laden truth of Lao Mo all surfaced one by one. When the whole company begged him to be reinstated, Jiang Lin put forward a condition: hand over the original sin of AI. This is not a return, this is a reckoning.