Goong is a story about young love in face of tradition, politics, and intrigue.
In the imaginary world, modern-day Korea is a constitutional monarchy and the Royal Family lives in a grand Palace, the Goong.
Park made her film debut in the movie Evil Twin (2007), a summer horror flick where she portrayed two roles: one as the main character, and the other as the ghost of the main character's sister, who haunts the other sister after her death.
She then featured in Goong S, a spin-off to Princess Hours (2006).
As the Crown Prince Shin and simple-minded Chae Kyung's relationship appear to developing deeper feelings, a series of scandals are exposed to the public right after the pair were officially announced married.