the powerpuffs matured a lot since they last seen the rowdyruff boys. they've been improving their powers, attacks and things that kept them occupied for the last few years. but something else is keeping them hiding somewhere. a new enemy, an obscure invincible knight that wants to take over the universe.. by starting on the earth. suddenly the rowdyruff boys come back and makes their lives even harder. by force, they team up to go against the evil with the only goal to save the key. will the powerpuffs be able to pass against their obstacles and save day or will it just be too late? warning: not your usual fluff story!