Qin Chuchu, a modern-day girl, accidentally travels back to the Great Chu dynasty and becomes the legitimate daughter of a Minister of Personnel's family, only to be cast out by her own family. She soon discovers that she has very little time left to live. Desperate to survive, she relies on a mysterious system to complete missions. By chance, she enters Prince Yan's residence and becomes a maid to Prince Yan, Shen Jingci. Facing family entanglements and royal power struggles, Qin Chuchu uses her intelligence and courage to outwit her adversaries. She showcases her talents at a palace banquet and shines at the imperial hunt, earning the Emperor's admiration. As mutual suspicion gradually turns into understanding, the relationship between Qin Chuchu and Prince Yan quietly begins to change. Meanwhile, the capital is caught in growing turmoil, and even more unknown challenges await her.