Lily’s heart hammered in her chest, so loud she could almost hear it in her ears, as she stared at the grainy black-and-white footage on her phone screen. The dimly lit parking garage stretched out in long concrete rows, nearly empty except for a sleek black SUV parked in the corner. Two figures stood close beside it, their bodies angled toward each other.

Leo.

And Kella.

Even in the poor quality of the video, she could recognize the sharp lines of his suit instantly, the way he stood with his shoulders squared yet leaning slightly toward the other person. Kella, her long hair a pale halo under the flickering light,...