Writer and scholar Fulvio Benelli shows us a part of Rome that tourists always flock to: Piazza Navona. But he tells us the fascinating story of how it came to be.

It's the night before Luigi's operation. It's hard to sleep for various reasons, but he is resting, when Doctor Zamagna pays him a visit.

As promised, Marika talks about the verb tenere (to keep, to hold), beginning with its conjugation. Let's keep in mind that Italian tenses don't always correspond to the English ones. For example, the passato prossimo is conjugated like the English present perfect tense, but is used differently in expressing events in time. The imperfetto is translated various ways in English. See this lesson about the imperfetto.

The prison director refuses Alberto's request for writing materials, so he takes matters into his own hands, and learns a thing or two from his pupils, too.

Lele deals with a patient who says she has trouble sleeping. Libero answers an ad from a sleep center.

There's a class performance, Camilla is late, and the principal is not happy about it all. Viola and Allegra have a peek at the audience before the curtain goes up, and they each reach some conclusions.

At the police station, Lojacono takes a phone call about a homicide. The team has been instructed expressly not to take on anything other than ordinary business. This is decidedly not ordinary business, but Lojacono is no ordinary policeman, apparently.

People often wonder where the name ferragosto comes from, as well as the holiday itself. Marika fills us in with its fascinating history and evolution.

Luigi's wife reads the consent form. Meanwhile, Luigi gets prepped by different nurses for the operation he will have the next day.

Alberto and the kids at the reformatory all lie down on the ground to see the clouds better. They let their imaginations run wild. Alberto takes Ida and Alda to their new home.

Lele is trying to get Annuccia to eat her lunch and Libero helps out. Uncle Giulio stops by to tell Lele he should get out more and start dating.

Camilla oversleeps, and Livietta comes to the rescue, but Renzo is already out, jogging with Potti.

Special agent Aragona read the files on all his colleagues and relates his findings to Lojacono. And we find out what Lojacono did, too. We also discover where he has his meals.

In Italy, August is the warmest month, and most Italians try to go on vacation for at least part of the month. The most important vacation day is August 15th, called Ferragosto.

Doctor Policari brings the consent form, along with some seemingly paradoxical advice. Luigi's wife tries to get more information from this doctor, without success.