This sci-fi series chronicles the work of Cole (Adrian Paul), an alien who comes to Earth to track down evil Zin (Geraint Wyn Davies) and some 200 other extraterrestrials now living in Chicago, disguised as humans and using their alien powers to commit crimes. But Earth ways are strange to Cole, so he enlists the help of sexy bar owner Mel (Amy Price-Francis) to help him navigate the Windy City underworld and to recapture Zin and his minions.