At the Cannes Film Festival, Grace Kelly wants only to escape from the flashbulbs. When struggling perfumer Sophie Duval shelters Miss Kelly in her boutique to fend off British press photographer, James Henderson, a lifelong bond is forged between the two women. Afterward, Henderson cannot forget his brief encounter with Sophie. When Henderson sails with Grace's wedding party from New York to Monaco, spirits are high and passions and tempers escalate. Just like Princess Grace, James and Sophie will ultimately have to decide what they are prepared to give up for love.