The story of Shell, one of several spy networks operating in Portugal during the Second World War. Directed by the British who operated in Portugal between 1941 and 1942, it had a plan to destroy infrastructures and act as a counterintelligence unit in case the country was invaded by the Germans.

Daniela Ruahas Maria João Mascarenhas
Maria João Bastosas Rose Lawson
Diogo Morgadoas Siegfried Brenner
Adriano Carvalhoas Wilhelm Larenz
Marco D'Almeidaas Richard Thompson
António Capeloas Nicolau Mascarenhas
Luís Filipe Eusébioas Paulo Santos
Miro Magariñosas Manoel García
Pedro Lamaresas Major Jack Beevor
Sisley Diasas Cândido de Oliveira
Cláudia Clemente