The team is hired by Portland police when a good samaritan is killed trying to help an abducted woman. He dies before he is able to provide clues. The Red Cell team are told this may be the third abduction - they find similarities in the other two and have the thankless job of informing the families.
They are incredibly lucky when a dog in the K9 unit is brought in while they search a salvage yard - when looking for the car the un-sub may hay used - they are told it was in a car shop. The dog finds a bag of cement with one victim' DNA - soon after case is solved.