"Never apologize, never explain." That ancient macho motto may be the only bit of traditional wisdom Scottish Filmmaker Bill Forsyth believes in. The glory of his wee pictures (Gregory's Girl, Local Hero) is the way people appear out of nowhere, disappear without warning, and never discuss their motives for doing either. In his world no one has heard of Freud, let alone a well-made screenplay. They are, however, well prepared for life's little surprises.
Take Ruth and Lucille (Sara Walker and Andrea Burchill), the teenagers at the center of this adaptation of Marilynne Robinson's novel. One day in the 1950s their...