In the game the player takes on the role of Stephan and his Ex-girlfriend Jessica. Together they search for a relic named the legendary 26th Rongorongo panel. The journey leads Stephan and Jessica from St. Petersburg to Mumbai, Lima and the Easter Islands. But they have to hurry, because some villains are also on the hunt for the relic to solve the riddle of the mysterious Rongorongo panel.
The Wii version uses 3D scenes in which the characters move around where the DS version uses drawn 2D backgrounds, but gameplay is identical.