Not all belief is religious, and this BBC program looks at people who build meaning, ritual, and conviction outside any faith tradition. It profiles a range of self-described secular believers, from those who treat humanism as a moral framework to others who find something like reverence in science or nature without any god attached. Richard Dawkins appears on camera, giving his view of what atheism can and cannot replace once religion is removed from a life. The program treats secularism itself as a belief system worth examining rather than simply an absence, asking what fills the space where church, scripture, or prayer used to sit for people who have walked away from all three. It stays close to individual testimony rather than doctrine, letting its subjects describe their own convictions in their own terms. The result is less an argument against religion than a survey of what people build instead.