Many years ago, a young aristocrat wanted to marry a famous singer, but his father destroyed the marriage before twediing, believing that singer is not suitable wife for future diplomat. After several years their adult children now met in the theater of Buenos Aires.
A player wife, Nancy, who holds elegance to disguise their poverty while waiting for a wealthy man appears and deal with it, talk to the old man begging at the door of a casino. Soon after, a mysterious suitor offers a life of luxury.
A murderer terrorizes the city of Buenos Aires by attacking on the streets on rainy days and always leaving a card with the name "S. López". A local boarding house full of eccentrics appears to house a possible suspect.
A counterfeiting gang implicate a bank employee in their crimes, but their cover-story about a ghost in the house where they do their printing backfires on them.