In a major pharmaceutical laboratory, 8 terrified employees are taken hostage by a commando using astonishing methods. Every two hours, a different hostage is inoculated with a poison... Angèle Garry, a woman of character, rebel and maverick, and Antoine Pradeau, an outstanding negotiator, are responsible for resolving this affair together... while they just broke up. Who are these men? What do they want? How far will they go? Angèle has 6 hours to answer these questions and avoid a bloodbath...