Mary Portas continues her mission to prove charity shops can thrive on the high street. She opens a retail academy in London to teach volunteers how to boost profits, but her bold ideas face pushback. At her Orpington shop, Mary secures funding for a £15,000 shopfit and hires a manager, but her changes spark tension among long-serving volunteers. As the relaunch nears, Mary begins to wonder if her ambitious plans have gone too far.