Armed with just a pencil and paper, suburban mother Elizebeth Friedman cracks the codes that bring down the mob, save countless lives in World War II, and prevent a Nazi invasion of America.

The desperate bid to break the complex coded messages of the Zodiac, America's most mysterious serial killer.

A naval officer with a penchant for crosswords attempts stop the Japanese onslaught and turn the War in the Pacific in America's favor following the horror of the attack on Pearl Harbor.

The deciphering of a mysterious ancient language and the unlocking its secrets is a 50-year obsessive journey that rewrites history.

Criminal gangs across the world use highly encrypted phones to stay under the radar; the police are always one step behind until a team of investigators works out how to turn the phones against the criminals and catch them red-handed.

America's top-secret team of codebreakers cracks the Soviet Union's unbreakable code to unmask spies at the very highest levels of government.