A cyclone is a meteorological phenomenon that occurs when you have to manage 3 children, a self-employed job, an ex-boyfriend and his new too-young girlfriend, daycare schedules, meals, school, lunches, the new employee - And in the eye of this Cyclone is Isabelle, 39 years old, a single mother who has the mental burden of all this in addition to having to put up with a sister who is better than she is at everything, a mother who reminds her that her sister is better than she is at everything, and a barren love life.