About Teenage Mutant Ninja Turtles Volume 12: Vengeance Part 1
The Turtles return from Burnow Island to find unimaginable tragedy. As the family struggles to cope, an enraged Foot Clan prepares its revenge. Meanwhile, Casey prepares for a final showdown with Hun as the Purple Dragons run amok.
Collects issues #45–47 and the 2015 TMNT Free Comic Book Day issue.