Hollywood legend and human rights activist Samuel L. Jackson takes us on a powerful and personal journey. Exploring four centuries of slavery, Jackson travels the globe to reveal stories of suffering and greed, resistance, cultures left behind, accomplishment and hope. With investigative journalists Simcha Jacobovici and Afua Hirsch, Jackson unpacks the history of the transatlantic slave trade. He also teams up with an elite group of divers from Diving With a Purpose (DWP) to find and dive six sunken slave ships. The series provides penetrating new insights and points of view - discovering the legacy of the slave trade in contemporary global culture.