After finding a frozen body during a drug-related chase at an outdoor market, Inspector Carlo Guerrrieri fixates on finding a man he saw at the scene.

A breakthrough in the case leads Carlo and Malik to a community of immigrants living in an old factory. Malik goes on a risky mission alone.

As the team investigates the murder of a young woman found inside a piece of luggage at the airport, Carlo contends with buried secrets from his past.