Minnie and Quinn were both born in London on New Year’s Day, in the same hospital, one minute apart. Thirty years later — and very different people — they find themselves thrown together again in the same city on New Year’s Eve.
As children, Kathy, Ruth, and Tommy spend their childhood at an idyllic and secluded English boarding school. As they grow into adults, they must come to terms with the complexity and strength of their love for one another while also preparing for the haunting reality awaiting them.
After Kick-Ass’ insane bravery inspires a new wave of self-made masked crusaders, he joins a patrol led by the Colonel Stars and Stripes. When these amateur superheroes are hunted down by Red Mist — reborn as The Mother Fucker — only the blade-wielding Hit-Girl can prevent their annihilation.