Seven years after the abduction of her little girl, grieving mother Monica is kidnapped by the very same UnSub. Because Garcia is friends with Monica and was the last person to see her before she was taken, the BAU is able to get a head start on the case. But while Monica willingly follows the UnSub into his lair in the hopes of recovering her daughter, our team learns that it was likely the little girl’s death that triggered the UnSub’s recent escalation.