a deeply personal, intermittently hermetic exploration of innocence and sin, good and evil. The vessel for much of this metaphysical investigation is an architect, Juan (Adolfo Jiménez Castro), who with his wife, Natalia (Nathalia Acevedo); their somewhat older son, Eleazar; and the toddler, Rut, lives in rural splendor in an isolated house. It looks like a little bit of paradise, though one that needs an armed guard.