Jack woke to screaming in the middle of the night. He pushed himself out of bed and stumbled across the hall to Lexi's room. She lay in bed screaming at the top of her lungs.

"Lights," he grumbled sleepily and the lights to her room obediently faded on.

Jack scooped her up and held her. Her eyes were open but she didn't see, she just screamed. Sometimes words echoed out of the scream but most of it was nonsense. He held her tight against his chest and whispered ...