The trailer introduces a charming yet sharp quartet living in a British retirement village: a former spy, union leader, psychiatrist, and nurse. They pass the time solving cold cases for fun—until they encounter a genuine murder involving a developer and a cryptic photograph. With wry humor, warm camaraderie, and cheeky British wit, the film teases both cozy laughs and intriguing mystery. The teaser also reveals that each member becomes a suspect, adding tension to their amateur detective game.