The 'Johnny Mnemonic' original story follows Johnny, a man with a very special job. He has a cybernetic implant in his brain that allows him to store large amounts of data. This data is extremely valuable and dangerous at the same time. As he travels through a dystopian future world filled with hackers, corporate spies, and other seedy characters, he has to use his wits and skills to stay alive and complete his mission. The story delves deep into how technology can both empower and endanger an individual. It also touches on the idea of how much information a person can handle and the consequences of having such important data within oneself.
In the 'Johnny Mnemonic' original story, Johnny is a data courier who has data implanted in his brain. He has to transport this data while avoiding various threats. He's constantly on the run from different factions who want the data in his head. It's a cyberpunk - style story that explores themes of technology, privacy, and the power of information.