Three parallel romances among young people working in a steel mill.
| Actor | Role |
|---|---|
 Rodolfo de AndaNot listed | Not listed |
 Jorge RiveroNot listed | Not listed |
 Zulma FaiadNot listed | Not listed |
 Irma LozanoNot listed | Not listed |
 Norma LazarenoNot listed | Not listed |
 José Elías MorenoNot listed | Not listed |
 Dagoberto RodríguezNot listed | Not listed |