Eternal Law is written by Ashley Pharoah and Matthew Graham. The show is set in York and focuses on the characters of Zak and Tom, who are angels sent to earth to try and help a community and also find out more about the human condition. Zak and Tom, both work as lawyers for a local legal firm, trying to influence humans to do right thing by each other. They end up coming up against their old adversary and dark angel, Richard Pembroke, who is determined to stop them in their challenge to lead the community into a better way of living.