Collision course / The mating season

Gianluca surprises Maria by taking her to lunch on a boat on the Tiber, bearing a flag with the word "Maria" written on it. Meanwhile, Guido has started dating Carlotta, and everything seems to be going well... or not? Carlotta suggests that Guido move in together, and the doctor accepts. Meanwhile, Maria, having broken off her relationship with Gianluca, has begun volunteering at a drug rehabilitation center.