The Teenage Mutant Ninja Turtles have all left New York to pursue their own interests, but there are forces gathering that will pull them back together—whether the bad guys like it or not. First up: Raphael! But why is everyone’s favorite brawler in prison?! When a surprise attack behind bars puts Raph’s position in jeopardy, he needs to figure out how to get out of jail and warn his brothers that trouble is coming.