Butterflies and Hurricanes

Sequel to Endangered Legacy & Secrets. During the events of Once A Ranger, a threat from the past joins Thrax in his conquest forcing Sentinel Knight to restore more powers to past rangers. Can the chosen teams vanquish the threats and restore power to the Morphing Grid for Operation Overdrive? Focuses on NS/MMPR/Zeo/DT teams, but features others as well. Multiple pairings.