"Rory? Rory get your stupid face down here!" Amelia Pond yelled at her husband Rory Williams. But Rory Williams heard nothing. He was preoccupied. "Rory, come on. I need your help with the groceries." Amy's voice was a mere whisper to Rory. He was in their room, and he wasn't alone.
"Who's there?" Rory asked the invisible thing he knew was there but couldn't see. "Come on. Be a man and... an...a..." Rory fell to the floor. The invisible thing had poisoned Rory with hypnotic love death gas. When Rory woke up he was going to want to kill anyone he cared about. The invisible monster was going to take over the body of Rory Williams.