Adrien Agreste, the heir to the throne of Parisville, had enough of his father and his life as a prince. So one night, he escapes to Parisville, disguised as a civilian. Adrien, for the first time, learns the life as a civilian and a life full of freedom with the help of Marinette. Marinette was a pretty girl, loved by everyone in the city, raised up by her adoptive grandfather. But when troops of the Agreste army attack her town, she learns the truth about her parents and mostly, follows her heart in order to save Adrien.