When the father of the struggling painter Ernesto passes away, he is left in misery. The banker Julián, a friend of the deceased, intends to help Ernesto: he appoints him as his secretary and takes him to live in his house. There, Ernesto meets Teodora, Julián's wife. People gossip about a supposed love affair between Ernesto and Teodora, who go together, without Julián, to see the opera The Thieving Magpie at the Principal Theater.
| Actor | Role |
|---|---|
 Ramón PeredaErnesto del Valle | Ernesto del Valle |
 Adriana LamarTeodora | Teodora |
 Carlos López MoctezumaRoberto Escalada | Roberto Escalada |
 José GoulaJulián | Julián |
| FFernando FlaquerAmigo de Roberto | Amigo de Roberto |
 Felipe MontoyaDon Severo | Don Severo |
| PPaulino QuevedoMayordomo | Mayordomo |
| AAnita VillalazCotorrona | Cotorrona |
| EEmilio BrillasAmigo de Roberto | Amigo de Roberto |
| MMicaela CastejónCotorrona | Cotorrona |
 Emma FinkCotorrona | Cotorrona |
| JJosé ArratiaNot listed | Not listed |
| FFernando CurielNot listed | Not listed |
| MManuel BarragánNot listed | Not listed |