Slavery is the shared dark side of the history of many nations around the globe. But apart from the accounts of our schoolbooks and some memorable dates, what do we really know about the struggle to put an end to the Atlantic Slave Trade?  This story is related in a coming full drama, by Senegalese feature film director, Moussa Touré, and historian experts. Based on precious archives of different kind – logbooks, letters and diaries, written by slaves, ship-owners, slave-traders or colonists – this documentary gathers numerous voices as witnesses of a sad era.