At 65, Hornclaw is beginning to slow down. She has reduced her hours at work and while she stays physically fit, she no longer goes to the gym. She lives modestly in a small apartment in the city, with her only her aging dog, a rescue named Deadweight, to keep her company. There are expectations for a woman her age—that she ll retire and live out the rest of her days quietly. But Hornclaw is not like other people. She is an assassin.   For the past four decades, Hornclaw has worked at as a "disease control specialist," a euphemism for those who are secretly hired to kill. Double-crossers, corporate enemies, cheating spouses—Hornclaw kills them all with ruthless efficiency, and the less she knows about her targets the better. But now, nearing the end of her career, at a moment where she could be cashing out on her share of the company, she has just slipped up. An unexpected injury leads her to a late night medical visit, and an unexpected connection