Eccentric 70-year-old widow purchases the Windmill Theatre in London as a post-widowhood hobby. After starting an innovative continuous variety review, which is copied by other theaters, they begin to lose money. Mrs. Henderson suggests they add female nudity similar to the Moulin Rouge in Paris.
Maggie, a quiet retiring grandmother, finds herself helpless as her grandson’s health deteriorates. When one last chance appears, but money is desperately short, Maggie acts to raise the cash in a fashion that surprises everyone but her.
Eight London couples try to deal with their relationships in different ways. Their tryst with love makes them discover how complicated relationships can be.