Lưỡng Bất Nghi VietSub, The Trust (2021),tells the story of Queen Từ Ngọc, who comes from a martial arts family. Although she is not skilled in painting and calligraphy, her military strategy is no less impressive than any man. When Từ Ngọc enters the palace, she is met with coldness from Emperor Diệp Cẩm Vân and endures various humiliations. However, a small accident unexpectedly occurs, and Từ Ngọc discovers that she has switched bodies with the emperor.

From then on, Từ Ngọc assists the emperor in governing the court, handling political affairs, and leading the army into battle. Meanwhile, the emperor helps her manage the harem, deal with concubines, and gradually, the misunderstandings between them are cleared, giving way to the blossoming of their feelings.