The world ended when the Purple Vosris appeared. Cities fell, people changed, and the survivors learned one simple rule: do whatever it takes to stay alive. Killjoy used to make a living doing exactly that. Working for a mysterious killing company, she was trained to hunt down targets in the ruins of the post-apocalyptic world. But after one too many mistakes,killjoy gets fired—leaving her without a job, protection, or much of a future.