After the events of Kick-Ass 2, Dave Lizewski continues to fight crime now more experienced and wearing a more tasty suit, while Mindy Macready decided to leave town and on her journey arrived in All Valley California. Mindy decides to stay in the valley to lead a more peaceful life and during her stay there she realizes everything that happens between Cobra Kai and Miyagi-Do. Some Time later, Dave Lizewski decides to take a vacation and decides to go to All Valley to reunite with his great friend. When Dave arrives, he also finds out the Dojo war and they both decide to help, being new allies on the Miyago-Do side. But when he left the City, Chris D'amico has now fully recovered and he brings his uncle Ralph D'amico who now after escaping for prison becomes the new crime boss, being together they decide to go in search of Kick-Ass and Hitgirl to finish them off at once and then finish off all the heroes influenced by Kick-Ass in order to control the country. Will Kick-Ass and Hitgirl be able to deal with all these problems?
