Time is ticking over and they still don't have Morlighem's ransom money having been outwitted by Lemoine yet again! Caplan accepts Bordier's proposal which consists of re-drafting veterans of the Reserve Investigation Unit. A top secret operation is launched a last-ditch effort to free Morlighem. Meanwhile Vachewski finds out that the crime squad is working on identifying the two ATM robbers using CCTV footage. The vice is tightening around them! This period of extreme tension brings the four cops closer together than ever. They now know the score: if one of them falters they all go down.