The elderly Lady Ash brook is brutally murdered, for no apparent reason, in her London home during a scorching heatwave. Concentrating his enquiries on three main suspects, Chief Superintendent Briers discovers the murderer but has no proof and his ultimate dilemma is what to do with the man he knows to be guilty. Ronald Millar's skilful dramatization of C. P. Snow's novel was premiered at the Theatre Royal, Haymarket, London, in 1982. | 5 women, 9 men