although definitely read particular agatha christie book point remember anything except name abernethie good thing seeing story unfold without knowing play allowed appreciate sheer genius agatha christie way misleads pulls rug feet main reason success timelessness addition stories excellent production values beautiful locations wonderful music topnotch acting elegant directing etc reasons series success timelessness  virtues present after funeral word advice alert right start  clues dropped place even opening sequence quite unnerving moments well contrast peacefullooking englishcountryside locations small touches humor mustsee mystery buffs good film general 