What if, on her wedding day, you were given to your sister - as your slave? When wealthy plantation owner Cornelius Allen marries off his daughter Clarissa, he presents her with a wedding gift: a young slave woman called Sarah. The two girls have grown up together but their lives could not have been more different. Clarissa is white and is used to a life of privilege and ease. Sarah is black and is used to a life of slavery and hard work. Forbidden by law to leave the plantation, Sarah longs to be free - in mind and in body. But when she decides her future lies away from Clarissa, she sets in motion a series of events that will have devastating consequences for them both.