Slave girl Hannah grew up on the Stafford's Virginia plantation as Elizabeth's companion. She works in a Charleston shop while Elizabeth goes to boarding school and quietly aids runaway slaves via the Underground Railroad. Although Hannah vows never to marry while a slave, free man of color Joshua captures her heart. Ordered back to the plantation, Hannah is caught trying to help a child escape and is sold, despite Elizabeth's attempts to aid her. Hannah escapes, but later learns that Elizabeth is imprisoned in her own home for her efforts on Hannah's behalf. In Charleston Elizabeth once saved Hannah, is it Hannah's turn to rescue Elizabeth? And can Hannah find both freedom and true love?