To protect a key witness who is en route to testifying againsta deadly drug cartel, Team Scorpion takes her on the run,with the cartel hot on their heels.
Determined to make everyone's business her own, Kathy seesherself as the self-proclaimed moral compass of the office. Herperfect life belies a much deeper frustration though as afterhaving suffered years of a sexless marriage she spends monthsmeticulously planning to meet a secret cyber suitor. Themeeting ends up having some life-shattering consequences thoughafter she finds herself witness to a brutal and shocking crime.
When a missile test is hijacked and sent off course, the teamsearches for the hacking group responsible for the attack withthe help of a young computer specialist Hetty brings in toassist the team. Also, Nell sees the bond between the techguru and Eric and she becomes jealous.
On board the sleeper from Paris to Bourg St. Maurice, a motleycollection of passengers try to get a quiet night's sleep asthe train makes its way across France. But as the sleepingcompartment fills up, the chances of that begin to look highlyunlikely. In Deuxième Classe, everyone can hear you scream...
With their latest target on the run, Ryan and Mike follow atip to a small town to investigate and confirm he isn't seekingprotection. While in town, they both discover an even largerthreat who has managed to avoid suspicion up until now.Meanwhile, Max struggles to make a confession.
Ellen and Bird end up becoming room-mates, but end up atclashing over what Bird deems Ellen's ?girly' accoutrements.Towerblock is stunned to find out that his wife has beenspending all their money on posh food. Word reaches the teamthat a Taliban attack is about to happen which does nothing tohelp Simon's paranoid suspicion about the new ANA recruit.