Mia Wallace is a character in the movie "Pulp Fiction," directed by Quentin Tarantino. She is played by Uma Thurman, and is one of the most memorable and iconic characters in the film.

Mia is the wife of the gangster Marsellus Wallace, and is a beautiful and mysterious woman who is both alluring and dangerous. She is introduced in the film when Vincent Vega (played by John Travolta), a hitman working for Marsellus, is tasked with taking her out for the evening while her husband is out of town.

During their night out, Mia and Vincent develop a close, albeit platonic, relationship, and their interactions are filled with playful banter and pop culture references. However, things take a dark turn when Mia overdoses on heroin, and Vincent is forced to rush her to the house of a drug dealer to save her life.

Overall, Mia Wallace is a complex and enigmatic character who plays an important role in the film's narrative. She is a symbol of beauty and danger, and her interactions with Vincent serve to illustrate the blurred lines between the criminal underworld and mainstream culture. Her performance by Uma Thurman has become an iconic part of film history, and helped to cement her status as one of the most talented actresses of her generation.