Having recaptured the mutated Leonardo, the Turtles quickly restore him to normal using the vortex crystal technology. At first, it seems that the experiment has worked this time, but soon Leonardo's foot starts glowing, he still has the disease, and which means it's only a matter of time until he mutates once more... Dreg commands Mung to take control of a power plant so he can commandeer it's vast supply of Plutonium. April, still itching to sink her teeth into a new story, investigates a chop-chop ring at work in the city. Leonardo completely mutates again, and the TMNT once again are thrown into a heated to coral their slightly-more-mutated-than-usual-leader, which takes them across the city and back. The TMNT'S pursuit of Leonardo is interrupted by Dregg, who captures him. Meanwhile, April's investigation of the chop-chop ring leads her right into the arms of Dregg's soldiers..AGAIN. On board the Dreggnaught, Dregg informs the turtles, (who had stowed away on the vessel after dreg...