Whether modern westerners realise it or not, their world has been shaped by the Jesus revolution of 2,000 years ago. Popular historian Tom Holland is a notable voice who has been reminding his secular peers of the Christian waters they swim in and why it matters.

In this 'third act' of the documentary series Justin charts how the Christian story shaped us. He hears from Tom Holland on why he changed his mind about Christianity alongside thinkers, historians and converts on why atheist accounts of history often fail to explain why we believe in equality, dignity and human rights.