Police captain Laure Bertraud returns to work as she and her team begin a complex new investigation after a human torso is discovered in a pile of garbage in the 20th arrondissement in Paris. Meanwhile, a high profile criminal trial tempts ambitious lawyer Joséphine Karlsson, and Judge Roban faces a health crisis. This new season pushes every character to their limit, and forces them all to question long-standing affiliations and beliefs.是根据小说改编的，是一部非常好看的校园类型剧，剧情跌宕起伏，栩栩如生，绘声绘色，画面质感逼真不浮，主题曲顺耳，动听，演员的一个表情和眼神，是一部充满正能量的好剧。