One and Only— Episode 1

The Prince of Dansla, James Xiao, was injured in battle. He was saved by the princess of the country that he was fighting. However, he was poisoned by Gu and his life was in danger. The princess transferred the Gu poison to herself in order to save James. After James escaped pursuit, he was saved by his bodyguards. He had fallen in love with the princess who saved him. What would their fate be?