The UnXplained (2019)

S06E08 Unbreakable Codes

The allure of an unbreakable code captivates the imagination. For ages, humans have created clever methods to conceal important information, employing puzzling riddles, intricate ciphers, and hidden symbols. If we could decode these historical enigmas, might we uncover solutions to some of history's most profound mysteries, as well as contemporary questions?