At a home for retired musicians, the annual concert to celebrate Composer Giuseppe Verdi's birthday is disrupted by the arrival of Jean (Dame Maggie Smith), an eternal diva and the former wife of one of the residents.

At the height of his career, Charles Dickens meets a younger woman who becomes his secret lover until his death.

The series takes place at a London talent agency where agents scramble to keep their star clients happy and their business afloat after the sudden death of their founder.