Set in a near-future world where there is no privacy, ignorance or anonymity, our private memories are recorded and crime almost ceases to exist. In trying to solve a series of unsolved murders, Sal Frieland stumbles onto a young woman who appears to have subverted the system and disappeared. She has no identity, no history and no record. Sal realizes it may not be the end of crime but the beginning. Known only as 'The Girl', Sal must find her before he becomes the next victim.

Major real-life air disasters are depicted in this series. Each episode features a detailed dramatized reconstruction of the incident based on cockpit voice recorders and air traffic control transcripts, as well as eyewitnesses recounts and interviews with aviation experts.