The Myth which is an action film full of adventure is all about Meng Yi who takes two sides in the film one as Meng Yi the general and the other as Jack the archaeologist. As the general, the film portrays his numerous encounters with Princess Ok-Soo. It all started when Meng Yi who was a general at the time was assigned to accompany the Princess to China where she was to get married to her suitor who was an emperor. On their way to China, they were attacked by a brave Korean fighter who wanted to take the princess back to Korea her homeland and prevent her from marrying the Chinese emperor.
During the fights, Meng Yi and the princess got separated from the rest of the soldiers who had gone a different way. After the encounters and struggles with the Korean fighter, the princess was saved by Meng Yi through the help of his mysterious horse, she started developing feelings for him while they were all alone and told him he was in love with him. Meng Yi was surprised and scared to love his boss and did not accept her offer. He rejected her and concentrated on achieving his mission which was to take her to her future husband.
Later on, the emperor took ill and Meng Yi was assigned to go and look for which had been identified as the only thing that could save the emperor from dying. Accompanied by guards Meng Yi set off and succeeded in finding the elixir but they were attacked by some rebels who did so as per the princes' orders. Meng Yi died during the fights and his assistant took the life saving elixir to the emperor.
Meanwhile, Jack the archaeologist who was the spirit of Meng Yi always had dreams about the life he used to live as Meng Yi the general. Under the sponsorship of a mysterious organization, Jack set off with his friend William to make some discoveries about treasures and gravity and in the course of the process he fell in a river but was saved by Samantha whose uncle later on told Jack everything about his past life and even his future.
The film which was directed by Stanley Tong features well known and popular actors and actresses such as Jackie Chan featured as Meng Yi, Kim Hee-sun who featured as Princess Ok-Soo and Mallika Sherawat featured as Samantha.