I lie in bed, unable to sleep. All I can think about is Callahan and what might be happening right this very second. I toss and turn until I finally give up and decide to go make some tea. When I open the bedroom door, I freeze when I see a figure standing in the hallway outside Riley's door.

“It’s me.” Nikolai flips on the hallway light. I notice blood on the corner of his mouth and right eyebrow. But more than that, I see that he’s holding a gun.

“What are you doing?”

“I think the better question is, what is Riley doing?” Nikolai tries the handle on her...