Captain Marko Ramius, the commander of the Soviet Union's newest nuclear submarine, Red October, defects with his vessel, prompting a thrilling C.I.A. pursuit led by Jack Ryan.

The Hunt for Red October
A Soviet submarine captain embarks on a covert mission to the United States, setting off a high-stakes chase by the CIA and US military to uncover his intentions, as he weighs the options of seeking asylum or triggering a global crisis.