Dany Longo is blonde, beautiful - and thoroughly unpredictable. After doing a favour for her boss, she finds herself behind the wheel of his exquisite Thunderbird on a sun-kissed Parisian morning. On impulse she decides to head south. What starts as an impromptu joyride rapidly takes a turn for the chilling when strangers all along the unfamiliar route swear they recognise Dany from the previous day. But that's impossible: she was at work, she was in Paris, she was miles away... wasn't she?