Tom Clancy

Jack Ryan is appointed Central Intelligence Agency Acting Deputy Director and discovers that he is being kept in the dark by colleagues who are conducting a covert war against drug lords in Colombia.

Jack and Locke discover that the hatch is a 1970's station built to control an electromagnetic anomaly on the island and learn that it was built by the Dharma Initiative, a scientific research team. Michael, Sawyer, and Jin find out that they are being held captive by the passengers of Flight 815's tail section, who have apparently survived. Flashbacks show Locke struggling with father issues and his relationship with Helen, who helps him let go of the issues with his father.

The story of 'The Hunt for Red October' follows the intertwined adventures of Soviet submarine captain Marko Aleksandrovich Ramius and CIA analyst Jack Ryan.