Minister Melone, his mistress, and his bodyguards, before heading to Luxembourg to drop off a briefcase filled with embezzled money, stay in a hotel. Lord and Lady Duncan also arrive, welcomed by Sophie, daughter of Professor Moricet, an eminent weapons researcher. They are at a show where a strange couple is watching them... Moricet is kidnapped with his briefcase containing top secret plans. From then on, detectives, briefcases, spies, and guards intertwine in a relentless and eventful pursuit! Which of them will recover the 'real' briefcase?
| Actor | Role |
|---|---|
 Franco ResselLe Ministre | Le Ministre |
 Maïa SimonLady Duncan | Lady Duncan |
 David WarbeckJames Miles | James Miles |
| DDidou KapourSophie | Sophie |
| JJean LemaîtreLord Duncan | Lord Duncan |
| IIsabelle DubyCarla | Carla |
 Jean-Jacques DelboProfesseur Moricet | Professeur Moricet |
 René TramoniLes Gorilles | Les Gorilles |
| JJean-Marie AudaLes Gorilles | Les Gorilles |
| PPitou CavalleraLes Espions | Les Espions |
| GGhislaine ThépotLes Espions | Les Espions |
| DDaniel MailionLe Policier | Le Policier |
 Ged MarlonLe Préposé au coffre | Le Préposé au coffre |
| GGeorges VeranLe Secrétaire du ministre | Le Secrétaire du ministre |
| RRobert Condaminl'Attaché du prefet | l'Attaché du prefet |
| MMichel Du PuyLe Commissaire | Le Commissaire |
| DDany RomerLe Vedette | Le Vedette |