A sudden change in weather patterns brings massive amounts of rainfall to the desert regions of Peru and Chile. Almost overnight, strange, primeval plants begin to carpet the landscape. An isolated oil-drilling operation is suddenly beset by a series of mysterious murders, committed by a diabolically clever killer who strikes without warning and disappears without a trace. All the victims were strangled, and some of them -- the ones with dozens of strange, shallow wounds on their heads and chests -- have been drained of all their blood ...



This tense and generally well-written monsters-from-the-past romp from the period between the two world wars is marred only by a casual racism, which was all-too-typical for the day.