A renowned author, college professor and criminologist is given a year off in order to write his latest book. His arrival in Buenos Aires gives him the opportunity to work on his true project, planning and pulling off the perfect crime.
The vicissitudes of six different couples who arrive at a hostel in Buenos Aires called La Cigarra and are quarantined because of a supposed bubonic plague, causing all kinds of inconveniences and entanglements as a result of this forced coexistence.
As stowaways, the "Big Five of Good Humor" arrive in Casablanca. There they will launch themselves in defense of four girls kidnapped by a man, about to be sold to the harem of an Arab sheikh.