Lancelot, a Knight of the Round Table, accidentally rescued Guinevere, King Arthur's fiancée, in the forest. They fell in love at first sight, but Guinevere had already been King Arthur's fiancée, so he had no choice but to reject him. Later, King Arthur revealed their love affair. In his grief, King Arthur decided to put them on trial. However, at this time, King Arthur was invaded by the enemy and the people of the country were helpless. Lancelot immediately drew his sword to help and saved King Arthur from danger.