Modern college girl Jean Jennings transmigrates into a period drama as the "foolish wife" of military officer Warren Lang. Armed with a cheat-like supermarket dimension and two adorable kids, she turns the tables on her haters—slapping faces with delicious food, building a crawfish empire, and using her space to escape danger. Though Warren initially doubts her, her resilience wins him over. When a rival reports them for corruption, Jean outsmarts them by emptying their assets first. In the end, she dominates the vegetarian food industry, reunites with her billionaire father, and achieves the ultimate happy ending!
