An old professor in love with one of his students is rejected by her because of his advanced age. He then sells his soul in return for youth and a chance at love but things don't go as he planned.
| Actor | Role |
|---|---|
 Enrique RambalJuan Gaudio | Juan Gaudio |
 Rosario GranadosInés Montecruz | Inés Montecruz |
 Carlos López MoctezumaDon Gonzalo | Don Gonzalo |
 Andrés SolerCinocéfalo | Cinocéfalo |
 Queta LavatNurse | Nurse |
 Carlos RiquelmeLicenciado | Licenciado |
 José MuñozDetective Ramírez | Detective Ramírez |