When bookish Penny Collins reluctantly lets her sister drag her to an estate sale at a neighbor's house, she's hoping for a little diversion rummaging through dusty antiques. Instead, she ends up in a public squabble over candlesticks with the deceased owner's nephew, Anthony--right before a dead body tumbles out of a closet.

Penny's plan for the summer involved finalizing tenure at the university where she's a computer sciences professor. Instead, she's suddenly on the run with a man she barely knows, scaling walls, evading bullets, and accidentally stabbing henchmen. It seems the wrong people have got it in their heads that she's Anthony's girlfriend and, by association, in possession of something they desperately need--and will do anything to get.

As for Anthony, he has a top-secret occupation as a fixer, but a recent fix went dangerously awry, and now he and Penny are dodging both a ruthless billionaire and the FBI. And it'll take all of Penny's plentiful savvy and common sense, in addition to Anthony's particular set of skills, to survive long enough for her to see the next semester . . .