Deputy Chief Rocco Schiavone returns to Aosta, haunted by a harrowing discovery from his past. When a young man turns up dead, Rocco must navigate a web of lies spun by three well-connected vacationers who knew the victim. Meanwhile, in Rome, his former team uncovers a corpse. Marked by betrayal, Schiavone realizes it may be time to say goodbye to that world for good.