Teenage Mutant Ninja Turtles Vol. 4: Sins of the Fathers
Collects issues #13-16.
The forces of good and evil marshal on multiple fronts in "Sins of the Fathers." The Turtles have a new mission, but Shredder's ambitions could put an end to it before they begin. Plus, Krang unveils his master plan! How far will the Turtles go to defend themselves?