The police struggle to hold on to their suspect when he is hospitalised, while prostitutes who have been exploited by a criminal gang still believe the killer is at large. Judge Roban finds his head swayed by his heart as his personal life starts to have an impact on his work, while former public prosecutor Pierre Clement joins forces with an unscrupulous solicitor.

The police manage to remand their prime suspect in custody, but a series of revelations threatens to jeopardise the solidity of their case. Meanwhile, Judge Roban's uncharacteristically hasty actions look set to compromise his impartiality, and Pierre Clement finds himself roped into dealing with an unusual case.