Vitali appears before the judge requesting a conviction for Iannuzzi, but both Imma and Calogiuri are still convinced that he is covering for someone.

Silvia Polleri, a catering expert, had never dealt with prison until she received a proposal from the director of Bollate prison, and that's when this culinary adventure in jail began.

After the news about Iannuzzi's illness, Vitali asks Imma to take care of the case. Calogiuri shares an excellent insight about the case with Imma and together they continue the investigation.

In this part, we see an excerpt from a job interview with one of the inmates at Bollate. The young man tells about the different detention experiences he had had before coming to Bollate.

Ettore wants to make sure Joy isn't talking to her parents about him and uses bullying words with her. She manages to get away and goes to the bistro to meet Stefano. Alice's parents arrive and are shocked to see each other.

Mileo is called into Imma's again and this time the truth comes out about his land. Meanwhile, Calogiuri has managed to find Iannuzzi.

Davide is discussing the menus with Silvia and Riccardo, who is the one who pays the bills, evidently. Davide had a little mix up with his fish orders, but is coming clean about it.

Finally Max manages to get Alice into the Bistro where the surprise party had been organized. After the party, Max meets up with Michelino who mentions the cake left at the lawyer's house.

According to Imma, Don Mariano had convinced Iannuzzi to tell her about the trips he had made to bury toxic waste. Samuele and Valentina have a conversation about the cooking course he has been invited to participate in. Samuel also gets something off his chest with Deputy Prosecutor Tataranni.

Davide is still talking about the fact that char is a trout and that people need to understand that freshwater fish is as good as seafood. Meanwhile, Mrs. Silvia is planning a trip to Opera (near Milan) where there is an important prison.

Imma talks about personal things with Samuele and when she returns to the office, Diana updates her on what she has discovered and found about the case.

Being a waiter in this unique restaurant is a special experience, from putting on the uniform to serving all kinds of customers.

Vitali interrupts his meeting when Romaniello shows up at the office and makes a suggestion for getting rid of some dead weight in the department.

The owner, Silvia, recounts that during the restaurant's first year, the New York Times discovered the place and that's when she realized it was the first of its kind in the entire world. She also tells the story of how the chef, Davide, was hired.

While the workers are digging, they find a metal plate that's hiding something and it turns out that Mario actually knew about it and feels guilty. Before proceeding to remove the metal plate, they need to obtain a special tool but the important thing is for nobody else to know what's happening.