Top student Jiang Zhen has spent years disciplining a headache-inducing bunch of underachievers in her class. An accident causes her to travel to another world, becoming a primary wife who is given the cold shoulder by her husband. As soon as her husband places high in the imperial examinations, he curries favor with wealthy families, leaving her to endure contempt from everyone in the mansion. When heading out, Jiang Zhen reunites with that group of old classmates, who have now respectively become crown princes, commanders, noble descendants, and other powerful figures, struggling to adapt to their new identities. Left with no other choice, the powerful figures can only turn to their former study god for help, asking her to assist them in dealing with life in the new city.