Guinevere (played by Angel Coulby), a maidservant to Queen Morgana, at first dislikes Arthur (Bradley James), a prince. When there is a threat to the prince's life, she cares for him and a seed for change in her feelings toward him is planted. Over time their bond grows even through tragedy, betrayal, and magic. Eventually King Arthur proposes to Guinevere making her his queen.
Merlin was a TV series that ran from September 2008 to December 2012 on BBC. When is premiered there was a bit of a dissension over a woman of color cast as Guinevere.