As they closed in on their group, Ethan registered the growing disconnect between what he’d seen above ground and the fact that his people were still alive down here in the tunnel. It reminded him of the sickening, random way that fate and chance figured into battle—if you had stepped left instead of right, the bullet would have gone through your eye instead of your friend’s. If Kate had led their group to a different tunnel entrance, it could’ve been Ethan and his family being slaughtered on Main Street. He was having an impossible time putting Megan Fisher out of his mind. He’d seen enough death and destruction in Iraq to know that it would be poor Megan who would haunt his dreams for many nights to come. Knew he would always wonder—what if he’d risked everything and gone outside? What if he’d killed her attacker? Saved her? Carried her back to the tunnel? He would play that scene over and over until it bulked up with the perfection of a fantasy. Anything to replace the image of that woman under the abby in the middle of the road. There were still moments from the war he carried and would always carry—incomprehensible agony and suffering.

This trumped them all.

They reached the end of the line just as the group was turning up a new tunnel.

Ethan thinking, One quarter of humanity was just wiped out.

He looked down the line of his people, saw the back of Theresa’s head in the low light.

The need to be close to her and Ben was overwhelming.

Megan in the street.

Stop.

Megan screaming.

Stop.

Megan—

A single, piercing howl blasted through the tunnel.

Maggie and Hecter stopped.

Ethan raised his shotgun.

The torch began to shake violently in Maggie’s hand.

Ethan glanced back.

The line had stalled—everyone had heard, everyone craning their necks, straining to stare down into the darkness of the tunnel.

Ethan said to everyone, “Keep the line moving. Don’t stop no matter what. Just go.”

They went on.

After fifty feet, Maggie said, “I think I hear something.”

“What?” Hecter asked.

“It’s like . . . splashing. Someone walking through the water.”

“That’s just our group.”

She shook her head and pointed into the darkness. “It’s coming from that direction.”

Ethan said, “Hold up. Let everybody get ahead of us.”

As the end of the line pulled away, Ethan squinted into the darkness. Now he heard it too, and it wasn’t walking.

It was running.

His mouth went dry and he was suddenly aware of his heart banging madly against his chest.

“It’s time to point your gun, Hecter,” Ethan said.

“Something’s coming?”

“Something’s coming.”

Maggie took a few steps back.