Venice: a man and a stranger wearing a mask erroneously exchange their suitcases. A quick and furtive meeting is enough. Everything starts (or it might even be the end!) in quest of a formula whose effects are miraculous and which has been worked out by a biologist now hidden somewhere in the Venezuelan paradise. Many people are already on the scientist's tracks. Such a mission can be carried out only by a specialist. Intrigues, seduction, 'couple de theatre'. The first getting in his/her hands, the precious formula will become rich, very rich...