Calvin Robinson, a priest and former broadcaster known for his sharp insights, debates with Steve Chalke, a pastor and founder of Oasis Trust, on whether Christianity is progressive. They tackle the evolution of biblical teachings, highlighting how ideas of justice, love, and gender roles have transformed. The discussion includes the role of women in the church and differing views on marriage, including same-sex unions. Their engaging exchange reveals the ongoing struggle between maintaining tradition and embracing modern societal values.