Trying to acclimate to life as a mutant, the newest Turtle, Jennika, will be forced to come to terms with both her troubled past and conflicted present. In search of a dangerous procedure to reverse mutation, will Jennika be tempted by the call of her old life, and how far will she go to save those who gave up on her long ago? Brahm Revel returns to reveal more of Jennika's backstory from his acclaimed TMNT Universe tale What is Ninja?!

Also contains extra material featuring important milestones in the development of Jennika's character in the ongoing Teenage Mutant Ninja Turtles series!