Nora and Ugo are living in close quarters, and there is a list of eight rules nailed to the back of the door that they are already arguing about.

How good of a painter was the victim? Not all the people who knew him have the same opinion. Luca and Toscani go to see the picture framer and learn a few things.

Bettina and Gaetano are supposed to go to the movies together, but Camilla shows up and Gaetano chooses work over fun. At school, everyone is rejoicing at the news that Mazzeo is on leave of absence.

Aunt Clo shows Ugo and Nora around the shop and house and leaves after giving them a few rules to follow. They run off to the attorney to make sure they can go ahead with their separation.

Both the victim's wife and his lover are questioned at the same time, one by Luca, and one by Marta. Each has a very different memory of what Fello was like.

Franco shows us some infused salts that we would never think of off hand. His descriptions are colorful and make us want to try out these delicacies.

Two geniuses left their indelible marks on civilization: Leonardo with the Last Supper and Michelangelo with his David.

Kids have livelier imaginations than adults sometimes, and in fact, Livietta can see something in Mazzeo's aunt's drawing that Camilla totally misses.

Neither Ugo nor Nora has any desire to take Aunt Clo up on her offer, but then reality kicks in.

The autopsy report comes, and Manara goes to talk to the victim's widow. Marta goes to talk to his lover. Marta gets a phone call, and her colleagues realize, with surprise, who her father is.

Gaetano is pretty sure Camilla knows more than she lets on, and gently gives her a warning. But she can't help herself, and travels once again to Mazzeo's aunt's house.

The exasperated lawyer comes up with a plan for the dog who happens to be named Uno (one). As they are taking care of this, they each get a phone call and have to hurry off.

The investigation begins. Manara and Rivera go to see the victim's wife, while Toscani calls a tow truck. Then all hell breaks loose in a house nearby, where there's been a gas leak.

This fascinating segment is all about salt: Our spice journey takes us to Sicily, where much of Italy's salt is harvested. Franco talks about how salt is life, salt is gold.

We look at Leonardo's Last Supper from close up — the details, the symbolism — but also from the refectory floor, seeing how Leonardo's genius made the fresco part of the room itself.