Having abandoned his family due to religious differences, Dr Silveira moves to Coimbra, where he dedicates himself to his patients, and rejecting any attempts at reconciliation. But, when a terrible accident happens to his son, he must seek a resolution to the debate between faith and science.
| Actor | Role |
|---|---|
 Barreto PoeiraDr. Silveira | Dr. Silveira |
 Graça MariaMadalena | Madalena |
 Oliveira MartinsDr. Fernando de Meneses | Dr. Fernando de Meneses |
 María ÁlvarezMaria Antónia | Maria Antónia |
| MManuel CorreiaManuel | Manuel |
| AArmando ChagasJosé Augusto | José Augusto |
| MMaria LalandeNot listed | Not listed |
 Igrejas CaeiroNot listed | Not listed |