Imma investigates the murder of a hotel entrepreneur.

Pietro meets Sara, a brilliant young paleontologist, at the gym.

Calogiuri returns to work, obsessed with uncovering the truth about the Romaniello murder.

The body of a boy from Matera is found in a ravine.

The daughter of Bangladeshi immigrants is killed in the hamlet of La Martella.

Calogiuri secretly continues investigating Romaniello's death.

Pietro becomes the prime suspect in a murder investigation.

Imma decides to confront Calogiuri.