Following actor Ji Soo‘s withdrawal from the drama, KBS has since released all new posters to be used for promotional purposes.
The previous posters looked like this. They featured the two leads under a snowy sky.
Since Ji Soo’s departure from the drama, the drama had to re-film almost 50% of its episodes. The production team had announced that they would re-cast and re-film from episode 9 onwards. Since then, Ji Soo has been replaced by newcomer, Na In Woo.
Kim So Hyun is solely featured in the new promotional posters.
She is placed against a sunset and wields a sword.
River Where The Moon Rises is a retelling of the classic Korean folk tale of On Dal The Fool. In the drama version, Princess Pyeonggang (played by Kim So Hyun) was raised as a princess but later is raised savagely to kill a sinner. She dreams to be the first female ruler of Goguryeo. Later, she uses On Dal’s feelings for her to achieve her goals.