As an ordinary wage slave, Luo Mingyue was tired of her dull, monotonous routine. Then one day, she woke up after transmigrating into the only daughter of a Grand Princess and her consort. A minor cannon-fodder character became a beloved princess who could both pout and scheme. She outwits villains, restores the rightful line, and wins the Crown Prince’s heart. Just as everything seems settled, disaster strikes her family. Luo Mingyue resolutely infiltrates a neighboring kingdom, carefully laying her plans, enters the civil service through the imperial examinations, and opens a restaurant. In the end, she dispels the layers of mystery. The young marquis smiles at her: “Woman, it’s your turn to pick a card!”