Some neuroscientists are confirming what their colleagues were discovering in the 1940s, ’50s and ’60s: that a few deep psychedelic ‘trips’, supported by conventional psychotherapy methods, may be able to unlock some crippling mood disorders and addictions. But because psychedelics are illegal everywhere, the growing movement of people in South Africa who are using them therapeutically must rely on an underground movement of traditional healers and ‘journey guides’.