The real master is fired as a useless slacker, while a fake fraudster is praised as the chief engineer. Lin Ye, a top-tier smelting expert, is driven out of Linhai Heavy Industries. Meanwhile, the impostor Lin Ye not only steals his identity and honors but also impersonates his online romantic identity, "Quench," to deceive Qin Shuang into falling for him and surrendering her company shares. Ultimately, relying on his exceptional technical expertise, he exposes the impostor's true identity at a special steel bidding event and makes a triumphant comeback in the industry.