After a decorated anti-terrorist black-ops soldier is captured and tortured, he later finds himself struggling to overcome the effects of severe paranoia and anxiety.

Follows the actions of Section 20, a secretive unit of British military intelligence. A team of special operations personnel conduct several high risk missions across the globe

Anti-terrorist unit Section 20 searches across the globe to find terrorists and nuclear weapons.

After tracking a potentially suspicious shipment of illegal arms in the Venezuelan jungle, CIA Officer Jack Ryan heads down to South America to investigate. As Jack's investigation threatens to uncover a far-reaching conspiracy, the President of Venezuela launches a counter-attack that hits home for Jack, leading him and his fellow operatives on a global mission to unravel the President's nefarious plot.

In the final season, Jack Ryan is promoted to CIA Acting Deputy Director and finds himself on his most dangerous mission yet! He is appointed with the daunting task of unearthing internal corruption. As he investigates, Jack discovers the convergence of a drug cartel with a terrorist organization, ultimately revealing a conspiracy much closer to home and testing our hero's belief in the system he has always fought to protect.