Based on the novel by Agatha Christie In this TV movie, a classic mystery is updated and relocated to a glamorous world of London socialites and secret agents, introducing two unique and compelling investigators and taking us through to the highest corridors of power.

Cast:Pauline Collins, Oliver Ford Davies, Kenneth Cranham, Jonathan Firth, Clare Holman, James Wilby,

Genre:Mystery, Crime,

country:United Kingdom,

Production:ITV, Company Pictures,