My Cousin Rachel finds its perfect Rachel in this Gothic lit adaptation

B

There is a masterpiece of a movie waiting to be made from Daphne Du Maurier’s pointedly ambiguous 1951 Gothic novel My Cousin Rachel, but all it’s inspired so far are credible and faithful adaptations—first a Hollywood romance with Olivia De Havilland, then a BBC miniseries with Geraldine Chaplin, and now a mordant…