Despite being banned by his superiors from carrying out a mission to trace back the journey made by the King of Siam for fear of their safety, Professor Daud and his assistant Sham are still determined to carry it out. They get the chance to do so when entrepreneur Melur Seri offers to pay for the expedition, while paranormal TV producer Pian offers to film it without charge. What starts off as a fruitful expedition - as they manage to discover the King`s path - takes a dark turn when they get lost during the journey and are now being hunted down by a mysterious creature called Kron.