Star Su Xue hides security cameras at home, publicly accusing her husband Lin Feng of being a good-for-nothing parasite living off her. Throughout the live stream, layer after layer of twists reveals to everyone that Lin Feng is a top mechanical master, a cybersecurity mastermind, the mastermind behind heavy industry, an academic authority, the chief designer of deep-sea equipment, and above all, the chief national disaster defense architect. When a mine disaster suddenly breaks out, Lin Feng pilots a self-made mecha to rescue hundreds of miners, leaving Su Xue in tearful regret as the world comes to know this nameless national pillar hidden among the common folk, carrying the nation's heavy burdens.