Taddeus is the manager of the Grand Hotel Excelsior. The Summer season begins in May and since then many odd persons frequent the hotel. There is Ilde Vivaldi, in love with Taddeus and the boxer Pericle Coccia who has an important match and falls in love with Maria. There is the Mago di Segrate trying to win world fame by levitating thirty meters high. And there is the waiter Egisto whose daughter is in a Swiss College believing her father is a man of importance.

The adventures of the Etruscan Cassiodorus who, after having involuntarily captured a rebel, is named centurion and ingratiates himself with Nero. He tries to take advantage of his role to enrich himself with shady deals, but it goes wrong.

Joe d'Amato collects scenes from his movies that deal with two topics: voyeurism and masturbation.

A distinguished surgeon, married to a beautiful woman, has the habit of watching his wife in secret. The man decides to grant his wife to the owner of a refined brothel to be able to observe her from behind a mirror.

Convent of Sinners is the story of Susanna, a young girl who is raped by her own father and sent to a convent for her sins, where she falls in love with a priest. The other nuns, however, are jealous and angry, they want Susanna for themselves, and accuse her of being possessed by the Devil.

Lucita has been locked away in a convent by her family in order to keep her away from her lover, Esteban. The pair make plans to elope, but Esteban is accused of heresy before Lucita can escape. Hiding in the convent, Esteban discovers the horrifying depravity of the covent's abbess, Sister Incarnation. Can Esteban rescue his love from this madhouse before the inquisitor discovers what is going on and has everyone executed?

Anna Tredicesimo, wife of Luigi Tredicesimo of Santa Ninfa (Trapani), introduces herself to the private investigator Lionel Lionelli and instructs him to recover some red briefs, purchased by her jealous husband in Paris, and lost by her during a loving meeting with the heartthrob fetishist Gianni Agazzi. Lionel, recommended by his friend ten. Sheridan, begins the research and chases the panties from Agazzi to Lola Lola Bis, a stripper, and from this to Iolanda, Ennio's girlfriend, member of Hell's Angels. Lionelli, a bungler by nature, finds the path difficult and also dangerous because, as he will learn very late, a microfilm with a secret chemical formula is hidden in the briefs and, consequently, his steps are constantly followed by men of the boss Goran , master of Titan.