Ava dreamt of the sea. She was trapped in another time piece, one that opened underwater. When she swam for the surface, the rippled underside of the waves was utterly impassable, like some kind of thick, shifting glass. She slammed her fists against it from below, desperate for air, but she may as well have been pounding on solid stone.

Her lungs screamed. In the distance she could hear Charlie's gruff voice insist that she figure this out. "That's what you're here for," he snapped. "Make it happen!"