The city of Metru Nui is divided into six parts.Each part has a guardian -a Toa-who over the Motrin who live there.Hower,something strange is happening:Matoran are vanishing and a mysterious plant is destroying the city piece by piece.The Toa have to stop the disappearances and find a way to save their city and they was going to save,to fight the bad guy's.Do they have the skills to solve this mystery?Or will they finally meet their match?They said.