Equipment company mechanical engineer Shen Yanzhou completed a major project yet got the worst performance rating, receiving zero year-end bonus. Heartbroken and disillusioned, he chose to resign, but right after leaving, the production line he led suffered a sudden malfunction. Multiple people across the company checked overnight, but all failed to locate the issue; management came knocking late at night, wanting to call him back to save the day. Holding his complete work records, he saw through the chaotic phenomenon of mismatched workplace credit. Faced with his former company's entanglement and new opportunities, how will he choose?