While investigating the unexplained absences of students in the Rickmansworth District, Richard finds several cases where the pregnancies of vulnerable women cannot be explained; Raewyn is seventeen and pregnant but she does not know how that happened. Sally Holmes went to a party, and later became pregnant while in a same sex relationship. Some women describe bright lights and little green men, others have no idea what has happened to them. They are all told by the eminent Doctor Morrison that their babies have died during birth. Wyatt Roeske is brutally tortured because he tells the police about sexual abuse in a Children's Home. The murders of Principal Maxwell and security guard Hank Lomax lead investigators to the mysterious Research Centre. While involved in finding the truth, Richard becomes a target for a sophisticated international network of people traffickers.