Who is Mildred,and what happened to her?

Mildred is Montag's wife of ten years epitomizes the shallowness and complacentness of society that Montag comes to despise. Millie forgoes real happiness to immerse herself in the technological gadgets of the age, such as her television walls and seashell radios, which allow her a constant escape from reality. In chapter 1 she overdoses on sleeping pills.