"The Vow", with Carol Lynley (The Alfred Hitchcock Hour - S01E06, 1962)

Title: "The Alfred Hitchcock Hour: The Vow", with Carol Lynley.
Year: 1962

The Blonde of the movie: Carol Lynley

Synopsis:
On her way back to the nunnery, a beautiful novice loses a priceless 15th-century Donatello statuette donated to the convent by an aging criminal seeking redemption for his illegal endeavors. To track it down, the guilt-ridden young woman leaves the order and dives naively into the sleazy world of the criminal who stole the icon from her at a train station on her return trip.