Harrow tells the story of Dr. Daniel Harrow, a forensic pathologist with a total disregard for authority.

A man who finds the body of a young boy quickly becomes the prime murder suspect, putting his life and his family at risk.

When history teacher Matt Bashir is promoted to Principal of a notoriously violent Boys' school in Sydney's south-west, his radical approach brings him into conflict and leaves his personal life dangerously exposed. But just when he seems to be making progress, a 17-year-old student is found dead on school grounds.