 At a police station, a police brigadier (Patrick Allen) is chastised by the racist Major Horn (Nicol Williamson) of the Bureau of State Security (BOSS) for not only arresting Shack but continuing with their random identity checks and arrests that have infuriated world opinion.The three fugitives are followed and monitored by BOSS to lead them to discover their escape route to Botswana and its facilitators, Indian dentists Anil Mukarjee and Persis Ray; a stash of stolen uncut diamonds being used to fund the Black Congress Party and its leader, a man named Wilby Xaba (Joe De Graft).Shack learns that the diamonds are hidden at the bottom of a sinkhole.