The plot of the series "Semantic Error" revolves around the programmer Chu San Wu. He comes across as a determined individual who always strictly follows the rules. While working on a group project with colleagues who put in no effort, San Wu decides to remove their names from the final presentation slide. However, he cannot imagine the consequences that will follow. The guy, whose plans to study abroad are ruined because of this, possesses money, status, and influence. He can cause big trouble for Chu San Wu.