Dr. Will Zimmerman is drawn further into Dr. Helen Magnus' mysterious world and finds himself confronting his oldest fear. Elsewhere, forces converge on the target of their hunt - including someone from Magnus' distant past.
While investigating an ancient crypt on a remote island, Dr. Helen Magnus and her team encounter deadly creatures and three women with a mysterious past. Ashley Magnus decides to address the issues of her father's existence head-on.
The investigation into the three women found in the crypt continues, confirming Dr. Helen Magnus' theory that they are much more than they appear. Ashley Magnus' hunt for contraband creatures yields mixed results.