Following the macabre discovery of the bodies of several missing people in locations drawn by Diego, Romain and his team are put back on the investigation. The man he is tracking is a serial killer, there is no longer any doubt about it. Sarah, for her part, is convinced that Diego knows him very well and that is the reason why his visions are manifesting. We must therefore move very quickly because if this killer understands that the child is the only one who can recognize him, then Diego is in great danger...