Sisco: Black Gold (Sisco #9)

Sisco has been away from the action for a while, and his new civilian job - babysitting a playboy tycoon who's living it up in the South of France - is working out just fine for him, thank you very much. But all good things must come to an end. When he finds out that his ex-girlfriend Manon is in trouble, he reluctantly accepts a job for his former boss at the Palace in exchange for help rescuing her. It seems straightforward enough, except that there is one important detail Dupré has neglected to tell him...