In the Cool of the Day(1963)
OVERVIEW
After he mends a marital rift between a vacationing young couple, the bored, fragile wife falls hopelessly in love with the husband's ex-colleague who is married to a long-suffering and emotionally and physically scarred woman. The couple soon runs off to Greece together to pursue the romance.
TAGLINE:
WHY DID SHE GIVE HER LOVE TO A STRANGER...?