Plant loving Hilda, has created a museum where she preserves endangered and rare plants from all over the world. Meanwhile Attilem, a new genetically modified cereal, is launched on the market. Growing with little water and fertilizer while generating high crop field Attilem looks like an ideal solution to eradicate starvation and provide an alternative to diminishing oil reserves. But nothing is at it seems...

A thrilling mystery that unfurls in the alleys and on the rooftops of the French capital, Paris, over the course of one adventurous evening.