When journalist Kevin Burns gets a call from former schoolmate Carl Greene, hes surprised. They werent that close at school and the temperature cooled when Carl married Kevins girl, Lucy. Carl, a scientist, sounds anxious, afraid. They arrange to meet at the baseball game in Denver but Carl never makes it. Someone kills him first.Soon after, Lucy surprises a masked figure prowling Carls study. Whatever her husband was working on, a lot of people want to get their hands on it. Some are clearly prepared to kill for it, though not the prowler who, it turns out, is a woman with a quite different agenda ...