From the manufacturers ad: This adventure is the third in a series of four scenarios based around the Red Queen, a female android from the far future. The android must travel through time to secure human DNA specimens in hope of averting the extinction of mankind. The four scenarios take place in four time periods: the world of fantasy, the Wild West, the first modern age (1980s), and after the first apocalypse. Sacrifice is designed for the Espionage rules system.