“I wish I could have saved him,” Ant said. “I replay that day over and over again. If I hadn’t gone down the stairs. If I hadn’t let him go into the lobby. If—” Sadie stopped him. “That’s the gamer in you, trying to figure out how you might have beat the level. My brain is treacherous like that, too. But there was nothing you could have done, Ant. The game wasn’t winnable.”

