Sometimes the camera films of its own volition. Macumba shows an optical tangle in 13 scenes. As a start signal one hears a double hammer blow arising from a black screen, a sound like the nailing shut of a coffin. Macumba develops slowly out of the black. A black porno couple on the telephone in London. Then they meet on a snake in a park and are, together with Kalahari Bushmen mixed to a film matrix which is as incomprehensible as real life.