Watch the featurette 'Chiwetel Ejiofor becomes Solomon Northrup', which takes us through the actor's intense preparations for his role in 12 Years a Slave.

12 Years a Slave is based on an incredible true story of one man's fight for survival and freedom. In the pre-Civil War United States, Solomon Northup, a free black man from upstate New York, is abducted and sold into slavery. Facing cruelty as well as unexpected kindnesses, Solomon struggles not only to stay alive, but to retain his dignity. In the twelfth year of his unforgettable odyssey, Solomon's chance meeting with a Canadian abolitionist forever alters his life.