The clue “Seven Dials” does not come only from Ronnie’s dying words. Gerry had already mentioned the name in an unfinished letter sent to his sister, referring to a mysterious society that met at a club of the same name, located in a London neighborhood also called Seven Dials.

Agatha Christie’s Seven Dials, based on the novel by the acclaimed mystery writer, is driven by a case that begins with a harmless joke gone wrong.