Madison Lee is a character played by Demi Moore in the movie "Charlie's Angels: Full Throttle". She is a former Angel and a skilled martial artist who is initially believed to have gone rogue and become a dangerous criminal.

The film's plot centers around the Angels trying to retrieve two titanium rings that contain information about people in the federal witness protection program. Madison Lee is initially suspected of stealing the rings and the Angels are sent to capture her.

As the film progresses, it is revealed that Madison has a complicated history with the Angels and is actually working with them to uncover a larger conspiracy involving corrupt government officials. However, she also has her own agenda and ultimately betrays the Angels, leading to a final showdown between her and the Angels.

Madison is portrayed as a complex and multifaceted character, with a troubled past and conflicted motivations. Moore's performance as Madison was praised by critics, who noted her ability to bring depth and nuance to the character.