The Lightspeed Rescue Power Rangers were more than just the Rangers: They were also secretly Destined to be Slug Slingers. But none of them know this at all. Elijah Shane; Master Slung Slinger knows everything there is to know about the Surface. Or he thought. He's absolutely no idea that there are ten Heroes to come to Slugterra soon. Will the Rangers learn of their Incerdible Destinies and help the OG Slug Slingers save the Slugterrian World or will they fall to this new rising threat?