During the Spanish Civil War (1936-1939) a Republican detachment occupies a huge mansion near the front. One of the daughters of the owners of the house falls in love with a soldier, a young priest who seeks to keep hidden her condition.
| Actor | Role |
|---|---|
 Simón AndreuJuan | Juan |
 Charo SorianoPetra | Petra |
 Ricardo MerinoMariano | Mariano |
 María KostyTrini | Trini |
 Pedro Mari SánchezEl Nene | El Nene |
 José CanalejasGuzmán | Guzmán |
 Rafael HernándezSopla | Sopla |
 Simón ArriagaVillalba | Villalba |
 Adriano DomínguezAlonso | Alonso |
 Antonio CasasEl padre | El padre |
| AAlfredo EnríquezNot listed | Not listed |
| AAntonio CintadoNicolás (uncredited) | Nicolás (uncredited) |
 Javier de RiveraAmigo de Juan (uncredited) | Amigo de Juan (uncredited) |