Shinrin Kamui and Mt. Lady struggle to fight Trapezius Head Gear as he takes a family hostage. She states that he is under arrest for serial lacery and murder. On All Might's way to U.A., he sees this and decides to help out. He rushes by and uses Missouri Smash on him.
All Might saves the family from the villain and Mt. Lady states that she is grateful for the help, but that he will put them out of work.