The Duke of Mount Deer(1998)

The Duke of Mount Deer is a historical drama following Wai Siu Bo, a young man of humble origins who infiltrates the Forbidden City after joining a secret society. Mistaking the young emperor Hong Hei for a fellow eunuch, Wai forms an unlikely friendship while falling for the emperor's sister, Princess Kin Ning. His cunning navigates treacherous palace politics as he uncovers a conspiracy involving the empress dowager, discovers volumes of a legendary text hinting at hidden treasure, and helps the emperor eliminate the corrupt courtier Lord Obai. Through wit and ambition, Wai transforms from lowborn servant to trusted imperial confidante, all while pursuing love and fortune within the palace walls. The series blends adventure, romance, and intrigue against the backdrop of imperial court machinations.