Plot synopsis: Under the pressure of an invisible and powerful enemy, Lea Hippolyte, a police captain and martial arts specialist, joins forces with Victor, a marginal doctor wrongly disbarred, and with Helene, a non-conformist psycho-criminologist. Their investigations on “ordinary” crimes cross paths with much higher stakes and address universal topics. Filmed in Montpellier in the south of France, this series follows three characters with little in common joining forces to overcome common threats.