Movies and TvShows featuring "cipher" theme.

While digging one of the many tunnels for the Moscow metro, Soviet workers unearth ruins of a dungeon. The site is closed, the metro tunnel is diverted, and amidst the bustle no one notices the tunnel workers’ foreman pocketing a little ‘souvenir’ – a book-sized frame made of precious metals featuring an inscription in an unknown language. Decades later, the foreman’s grandson Ilya, who works as a courier, discovers the ancient relic in a pile of old junk. Oblivious to the true value of the family heirloom, he soon learns about it from a mysterious stranger. The relic is the key to the secret location of the priceless ancient library that belonged to Ivan the Terrible. What Ilya doesn’t know is that the search for the lost library has been going on for centuries, and now very powerful people are after him. Ilya and the mysterious stranger decide to try their luck in finding the library.

In this true-crime docuseries, a family searching for answers shares clues and eye-opening testimonies about the prime suspect in the Zodiac murders.

Arabesque (1966) follows a college professor who becomes entangled in a complex spy adventure in London, involving a shipping magnate and a plot to assassinate a political figure. With elements of mystery and intrigue, the professor must navigate a web of double agents and high-stake conspiracies to uncover the truth.

A docu-thriller that sets out to uncover the details surrounding the life, brief career, and mysterious death of horror filmmaker Karl Atticus, referred to by some as the forgotten father of the "slasher movie." The film includes interviews with various horror historians and aficionados including Eduardo Sanchez (director of The Blair Witch Project), who posits the question: Why, for 40 years, has the story of Karl Atticus been all but eradicated from the annals of cinema history?

A podcaster’s investigation of his sister’s death leads him to a grisly website, where the highest bidder decides how a chosen victim will be killed.

Living together on a compound, 10 contestants engage in spying against their fellow players while competing for $100,000. Former intelligence professionals train and judge the contestants in the art of espionage.

After an attack against the guard of the Third Reich, Nazi repression intensifies, and the Czechoslovakian resistance's organized sabotage in an aircraft factory leads to Gestapo shootings.

Washington, DC, 1935: At the height of the Great Depression, a charming and irrepressible young thief is forced to help an icy and mysterious United States Navy spy steal a brand new device that the Japanese military is using to encode its top-secret messages. During the mission, which is complicated by the spy's dark past in Tokyo, the two discover that they are pawns in a larger game. Together, they devise an intricate but risky scheme to outwit the people trying to use them.

British cinema's original sex symbol, Diana Dors, left her £2 million fortune in various bank accounts, their details and locations revealed by an apparently uncrackable cipher. In this documentary, everyone from her son Jason Dors Lake to the legendary code-breakers of Bletchley Park try to solve the mystery.