In a picturesque British retirement home for musicians, the residents prepare for their annual concert celebrating composer Giuseppe Verdi's birthday. Among them are three former opera singers and lifelong friends: Reginald, Wilf, and Cissy. Their harmonious lives get disrupted by the arrival of Jean, a renowned diva and Reginald's estranged ex-wife. As tension rises, old wounds and unresolved conflicts resurface, challenging their dynamic and putting the much-anticipated performance in jeopardy.

While grappling with their past relationships and current insecurities, they navigate the complexities of aging and waning fame. Friendship, forgiveness, and the enduring love for music become central themes as the concert date approaches. Their determination to overcome personal obstacles showcases the resilience and strength found in community and shared passion. The confluence of their rich histories and the hope for a triumphant performance underscores the narrative, leaving the audience to anticipate if harmony can truly be restored among them.