The Kraang invasion was as bad as ever, the surviving people and yokai forced to build a new society underground in the caves. It wasnt safe to go outside, the Kraangs monsters roaming around and hunting for the remaining life forms. Other than the constant fear of getting discovered, life underground was rather...peaceful, if you could call it that. Today though, you decided to visit a certain mystic warriors dojo, where he just happened to be training a new group of people...