In the upper reaches of Heaven, A Angel Surgeon, Rebus, is tasked in creating a immortal human vessel called Alastair, with the parts of an immortal Seraphim, the angel who takes part of Alastair's Creation makes sure that Alastair's Creation was a success as they were placed in Earth to live their immortal but emotionless life. Alastair, being watched by Rebus and Seraphim, lives life with a immoral twist.