Alfonso, Eduardo and Cristina get lost when visiting a forest. A strange monk finds them and takes them to an ancient convent. There, the three amigos suffer personality changes, specially Cristina who tries to seduce Alfonso in a strange coincidence to a story told by an old monk. After some efforts to escape, Alfonso is trapped inside a jail and more strange and macabre situations happen.
Enrique del Campo
as Alfonso
Marta Roel
as Cristina
Carlos Villatoro
as Eduardo
Paco Martínez
as Padre Prior
Victorio Blanco
as Monje
Francisco Lugo
as
Beltrán de Heredia
as
Agustín González
as
José Ignacio Rocha
as Custodio