Two girls vanish. Police recruit Paul Chartier joins a covert unit tracking a sex offender. After the operation falters, Chartier pursues the perpetrators independently, disillusioned with legal constraints.

When two girls go missing, Paul Chartier, an impulsive young police recruit, is assigned to « Maldoror ». This secret unit has been set up to monitor a dangerous sex offender. When the operation fails, fed up with the limits of the legal system, Chartier embarks as a solitary hunt to bring down the culprits.