Without a Thought

Gu Changyou, the younger twin sister, decides to disguise herself as a man and return to the imperial court in place of her brother after learning he was severely injured in battle. She knows this is extremely risky, but for her family's honor and her brother's safety, she proceeds without hesitation. The young emperor, who grew up with Gu Changyou, is both surprised and delighted by her return, but gradually begins to notice something unusual about her. Meanwhile, the cunning prince is more perceptive and sees through her disguise from their first meeting. In the political struggles of the court, Gu Changyou carefully navigates complex situations, facing both the emperor's suspicion and the prince's tests and pursuit. When her identity is eventually exposed, she faces serious consequences for deceiving the emperor. However, she uses her wisdom and courage to resolve the crisis by honestly explaining her motives and providing valuable political insights. Ultimately, both the emperor and prince are moved by her sincerity and intelligence, leading to her pardon and appointment as a high court official.