It is said that one day in the 21st century, the sinister girl Luo Jiao traveled to the Kingdom of Dragon in fictional history as an assassin. She was also taken into the assassin's lair for special training, and trained to become a master of assassination. At the same time, she also fell in love with Yun Fan, who was training with him. The prince Long Tianxiang who visited Luo Jiao in prison was also deeply attracted to Luo Jiao. What will be the love between them?