Paola is more clearheaded after a night's sleep. Adriano isn't happy, but he has other things to think about such as the new plans for the compact typewriter. He and Libero get a visit from the girl-thief again.

After discovering that Mario isn't really ill, Giacomo goes looking for Professor Stern once again, hoping to find some answers.

Three scenes: An article in the newspaper attracts the squad's attention, Manara questions the maid, and Fabrizio, the inspector, questions Manara.

Teresa goes back to the factory, and finds out she has talent. Karen Bates, the American photographer, comes to visit Adriano, and he sees right away how he can involve her in one of his projects.

We don't want to give away the ending, so let's just say that Giacomo goes back to the cafe where the redhead works and... who shows up, but Mario.

Toscani and Manara are at pretty much of a standstill as far as evidence and witnesses go, but Ada says something that makes Manara want her on the team.

Adriano shows Karen Bates around the new building and she writes her report. The new portable typewriter designed by Libero is finally ready.

Manara talks to two different people who knew the murder victim. One comes to him, and the other tries to run away.

The "Lettera 22" portable typewriter is selling well, although Mauro isn't in complete agreement about the price. Libero and Teresa make some plans, and Mister Dalmasso comes around again.

Manara is being closely watched, but that doesn't stop him from doing things his way. Actually, there are two cases to solve.

Teresa and Libero go to the movies together, and things seem great. But Libero has something important to tell her, something she had no idea about.

The episode revolves around little Valeria's coming baptism. Sardi is able to change Luca's dark mood with a DVD. Ada tries to figure out who sent her flowers, and she also reveals some information obtained while shopping for a baptism gift.

Adriano is very happy with how things have been going for the new Olivetti portable typewriter, but his siblings and partners in the business are not so happy. For one thing, they don't like not seeing any of the profits.

They still don't really have a lead, but Manara is convinced the two murders — Viazzi and Ponti — are connected. They have to look into Ponti's past.

Adriano decides to leave running the factory to Marcello and goes off on his own to work on his other projects. But country roads are dangerous in the pouring rain...