“My eyes are seriously starting to burn,” Lucy Burk complained, rubbing both eyes with her fists. “I don’t know how much longer I can stare at this grainy footage.”

“Take a break,” Cassidy suggested, tossing a pillow at her friend’s head. “We aren’t going to be any use to anyone blind.”

“I’ve been taking a break for the last fifteen minutes,” Emma O’Sullivan admitted, “and I still can’t see straight.”

This comment caused the pillow to come shooting over in her general direction, but she tipped her crown of brown hair out of the way just in time. The girls were sprawled out on Cassidy’s bed, each armed with a...