In a home for retired musicians, ageing opera singers, Wilfred, Cissy and Reggie are all preoccupied - Wilfred with lusting after Cissy, Cissy with getting to grips with her failing memory, and Reggie with trying to keep the tenor of his days as harmonious as possible. But then the famous soprano, their former colleague, Jean Horton moves in. Highly-strung and prone to meanness, her presence is felt by everyone, particularly Reggie. Then the four are asked to perform the Quartet from Rigoletto - for which they were so celebrate in their heyday in the homes annual gala concert. Can Wilfred, Cissy and Reggie persuade Jean to join them? More to the point, will any of them be able to raise their voices in song?