– The spy drama is back with more deadly terrorists, undercover operations, and double-agents, this time with an added danger. –

Go inside the thrilling world of the MI-5, the clandestine British security service. With two of their colleagues gone, the team must stay focused as they face demons from their past, and race against time to protect their families, their integrity, and their nation from lethal terrorist attacks, as well as from evil forces within the organization.