High-priced London call girl Virginie goes about her work as a prostitute with a cool detachment, trading sex with wealthy businessmen for money, but never getting emotionally involved. That all changes when she meets Rupert, an enigmatic stranger with unclear intentions. Risking everything, Virginie plunges into a dangerous affair that puts her between a ruthless madam who forbids romantic attachment and a dark, sexy man who could be her saviour or her downfall.