Mia's overdose could be due to a combination of factors. She might have been under stress or influenced by the environment she was in. Also, it could have been a moment of poor judgment and curiosity.
In 'Pulp Fiction', Mia Wallace has a drug - related overdose scene. This event is a crucial part of the movie's complex and interwoven plot. It adds to the overall atmosphere of danger, unpredictability and the seedy underbelly of the world that the characters inhabit.
Mia's overdose is a major turning point. It makes the other characters' actions more urgent and shows how fragile life is in their world. For example, Vincent's attempts to save her lead to a series of events that are both suspenseful and revealing about their relationship.