70 million years ago when dinosaurs ruled the earth, Tarbosauraus and Tynnosauraus, two of the most vicious and strong predators were the rivals.
Spot, the youngest of the Tarbosauraus is a curious and playful child. Along with his mother, brothers and sisters, he lives happily in the forest, waiting patiently to learn to hunt. But when that day arrives, he makes a mistake and it kills all of his family members, leaving him alone.
The cunning one-eye, an old Tynnosauraus who killed all of Spot's family, now stands as the king of the Kingdom without his rival. But he didn't know that Spot who lost his family to One-eye were growing alone, suffering his way to adulthood, preparing to face and revenge him.
As time goes, long waited fate comes to both Spot and One-eye. Time has come. Spot's life was full of revenge, death, fear and sadness. Will happiness and hope shine on his future? Now, the duel begins.