Victoria came home early with a headache and the half-formed plan of lying down for an hour before anyone else walked through the door.

The house was empty. Elena still at campus. Marcus still in meetings. She kicked her heels off in the entryway, left her bag by the console, and went upstairs intending only to change the pillowcases and close her eyes. The linen closet door stuck the way it always did. She tugged it open and reached back for the extra set she kept on the second shelf.

Her fingers hit something that didn’t belong.

A small black bag, folded in on itself, tucked behind the stack of...