Charade (1963)

On a Parisian holiday, Regina "Reggie" Lampert's life takes a turn when she returns home to find her apartment empty and her husband murdered. With a mysterious travel bag containing cryptic clues, she learns of a stolen fortune and deadly pursuers. As she gets involved with a charming stranger, a vengeful ex-soldier, and a trio of men with dubious intentions, Reggie must decipher who to trust before her life becomes the next casualty.