interview with the devil

Jack was a nice and kind guy who was poor and needed money for his pregnant wife, he want to a job interview and interview with the devil turning him to a devil, it's was hard accepting the new him,he left his son and wife, and regreted ever going to an interview. Bellamy grew up without a father. years later Jack was ask to turn his own son to a devil, what he won't do in 100 years to come, without turning Bellamy to a devil Bellamy will die, what will Jack do now?!