Imagine it is 2099 and the Transatlantic Returns Treaty is falling apart as Western museums find ways to wriggle out of promises to return stolen African treasures. Fed up with the trickery, artefacts expert Prof Grace decides to take matters into her own hands. And the South African knows the perfect people to help: her grandchildren, Nomali and Trevor and her former student Etienne. In an abandoned warehouse in Johannesburg, Prof Grace sets out her high-stakes plan - to break into museums and