One day, a young boy by the name of Yugi Moto completes the puzzle of a pyramid... the Millinium Puzzle. Throughout the series, Yugi Moto shares his soul with Yami Yugi, or the Pharoah who dwelled within the puzzle. Along with his friends: Joey, Tristan, and Tea they try to save the world. Often the group is joined or opposed by Seto Kaiba and Mai Valentine. Can they find out the secrets of Yami's past? Or will everything remain a mystery?