Round the Moons Between Earth and Sea is a dramatic movie set in 1970s Naples, Italy. The story revolves around a dysfunctional family that experiences tragic events such as the loss of their father and mother, murder, and martyrdom. The plot also includes elements of prophecy, the reign of Roman Emperor Nero, an earthquake, and the relocation of the family. Through a nonlinear timeline and montages, the movie delves into the themes of Christianity and the struggles faced by the characters in southern Italy.

Mario, a retired conductor, spends his days in a luxury resort in the south of England. He has been suffering from Alzheimer's for some time and is often assailed by sudden memories that he then he, punctually, he forgets. He lives with the fear that illness can erase his past, made up of fame and success. But above all of the love of his wife Amelia, who died years earlier, and of his daughter Michela who one day hopes to find again in a place far from time ...

Assunta Spina is a very attractive and passionate young, the only one that can read and write among all workers in the laundry room of Doña Rosa. She is married to a sailor who will be to the sea and will leave it. Then fall into the arms of Michele, a butcher who has always felt an uncontrollable, primitive passion towards her. But the passion and jealousy between the two love will be unbearable.

The young Carabiniere Gatta is sent to barracks in the Naples area. It's 1946 and the war is still hanging in the air even if the small community doesn't seem to have been affected that much by it. Even so, certain suspicions take root in the brigadier's mind. The hotel in the town was the setting for unexplained deaths and crimes that had been covered up. Gatta decides to investigate. Fragments begin to emerge, killers and their victims take shape and speak to each other from different times. There's the hotel owner, a grief-striken mother, a weak son and long-suffering sister, an orphan and two woman who were violently killed. Pain, indifference and shame cast a shadow over everything.

The long night of Manolo, hairdresser to the stars, on the Champs Élysées during his first experience with cocaine. He goes to discos and seances, sees widowed baronesses and pushers, and finally manages to set up his moment of intimacy with Ariel Bachini, famous film star, but…