This show should be an example for all young aspiring TV executive, you can seriously feel the life sucked out of it by network decisions.
So we get an old fashion espionage story, where the babysitter/student/environmentalist gets approached by a government agency in order to get information on her boss who works for a company that might be dumping industrial waist illegally resulting in the death of children in Africa. Of course the babysitter is reluctant to get involved but ends up being the center of the story.
So as you can see it's nothing new, but it can make a show interesting, characters can work with the gray areas, morals, conflicts... except for the fact that the script is written for morons. Right at the beginning you can see that the whole series aims to be comprehensible by everyone resulting in a story written by a 12 year old. You get believable characters but easily manipulated, over the top reactions, with a predictable end game and overall weak plots.
The cast is below average except for the main character, but again they might have nothing to work with so... The budget is quite good for French Television (more than 1 million / episode) so there's really no excuse.
For the viewer it's impossible to get invested, the story is too predictable, there's no finesse to the plot to make it interesting and because it's so predictable it feels so slow. You can really imagine what could have been but due to poor decisions by network executives, we're stuck with something not worth watching.