Since the death of the "big bully", the "super killer" Mindy (Chloe Moretz) has not forgotten her mission to uphold justice and still travels through every corner of the city to punish evil. In order to form a new partner with the super killer,"Kick-Ass" Dave Lezeski (Aaron Johnson) is willing to accept various rigorous training from the other party. On the other hand, Marcus (Morris Chestnut), who adopted Mindy, hopes that she can return to the life of a normal school girl and enjoy a life dotted with love and friendship. Seeing that Mindy gave up her identity as a messenger of justice, Dave had to turn to the Alliance of Justice for Forever composed of reformed gang thugs "Colonel"(played by Jim Carrey), and a group of losers in their original lives fight for justice. At the same time, Chris (Christopher Mintz-Plasse), who lost his parents, went crazy and changed his name to "MotherFu*ker". He ensnared a group of outlaws and vowed to destroy Kick-Ass and his...