When Yara stops answering her phone, her parents quickly raise the alarm. Four years later, a suspect is arrested under strange circumstances.

The investigation reaches a turning point that everyone hoped to avoid. A testimony triggers theories about revenge against Yara's family.

Massimo Bossetti discusses the DNA match that was crucial in Yara's case and reveals secret affairs that destroyed his own family.

Cameras are banned from the courtroom as the trial casts doubt on witnesses, including Yara's friends. Some important pieces of evidence are refuted.