The End of the Affair (1955)
This is a complicated story involving faith and morality, but it fell quite flat in this telling. I think the biggest problem was that I didn't believe that Maurice and Sarah were in love. There was no chemistry in their actions. We were, apparently, supposed to simply take the script's word for their passion.
The 1999 remake with Ralph Fiennes and Julianne Moore puts this one to shame. I graded the newer film an A+. This one just gets a:
C+