A Ghost in Monte Carlo(1990)

Overview:

A chance meeting between British nobleman and lovely young Mistral foils a plot by her manipulating Aunt Emilie to avenge the death of her sister, Mistral's mother, who died in childbirth. But when an unscrupulous blackmailer and a rapacious Rajah enter the plot, the growing attraction between Lord and convent girl becomes yet more fraught with Danger.