France, sports teacher by day, worker by night, actively campaigns against the use of pesticides.
Patrick, an obscure and solitary Parisian lawyer, is a specialist in environmental law. Mathias, a brilliant lobbyist and a man in a hurry, defends the interests of an agrochemical giant. Following the radical act of an anonymous person, these three destinies, which should never have crossed paths, will jostle, collide and burst into flames.