It covers unsolved crime cases and still open mysteries which happened in Italy since the aftermath of WWII. The episodes include reconstructions made by professional actors, interviews with the real protagonists of the cases, in-depth reports by journalists, investigators, experts and/or magistrates who dealt with the facts under examination, and from any phone calls from viewers who can provide new stimuli for the investigation.
When a series of brutal attacks are committed by a lunatic named Edward Hyde, the investigation leads to molecular biologist Henry Jekyll. But have the doctor's unorthodox experiments unlocked even greater horrors?
