“Did you get anything?” Cadence asked, praying she’d been able to find Stewart.

“Not much. But I know he’s running. I decided to see if I could find Holland instead. If I can figure out where she’s hiding, I can stop the signal.”

Looking over her shoulder briefly, Cadence said, “But you haven’t been able to do that for months.”

Cassidy sighed. “I’m out of ideas.”

“Okay, okay.” Cadence put her hands out, trying to show she wasn’t trying to irritate her sister. “Whatever you think. Stewart’s got to resurface eventually, though. He’s a professor. Do you think he’ll just walk away from all of that to serve Holland?” They...