We reach the street, find ourselves in the midst of a crowd of Teks heading for the gate. I run beside Beckett, heart in my throat as the siren sounds over and over again, louder as we approach the barrier.

Ever is at the control station when we pant our way to her side.

"Howls," she says, stress cracking her voice. "They attack from time to time, trying to get in." She doesn't say it but I know our arrival must have attracted them. We've put our new friends at risk and ...