Paloma Baeza

The British economy is on the brink of collapse and if one more bank goes down the entire financial system will implode. Ros goes undercover in the City to flush out a dangerous international financier who wants to bankrupt the country. Suddenly, it is not just the economy, but Ros's life that is at risk. Also available on VUDU

Harry and the team take a chance by negotiating with al-Qaida's No. 3 man. Meanwhile, the Russians test Lucas's double agent status. Also available on Amazon Instant Video and VUDU

Harry vows to take down the head of Russia's intelligence service in Britain with the help of Lucas North. Lucas's loyalties, however, are secretly no longer with MI5 and he exploits Harry's trust to help a Russian submarine destroy Britain's communications system, causing financial and social chaos. Also available on VUDU

Augustus Melmotte ventures into politics with a stirring speech that prompts Paul Montague to become suspicious as to the source of Melmotte's wealth.