When Jane suddenly finds herself living with the resident womanizer in the office named Eddie, he initially reinforces the opinions that have made her an overnight sensation. Over time, however, she begins to see that not everything is as it seems. Eddie forces her to ask questions she might not be ready to answer and makes her laugh when she wants to cry. Jane's research is not so black and white after all.
As Eddie brings out all of these tough questions, Jane begins to see that men are not so different from women when it comes to love. The ultimate showdown between men and women is inevitable, as a clueless Eddie eventually comes face-to-face with the woman that has become so popular to the women's movement of the time. Little did he know that this person would be the woman he is in love with.
Jane is played by Ashley Judd, while Greg Kinnear plays the boyfriend that sends her off on this initial search for knowledge of the men in her life. Hugh Jackman plays Eddie, the man that makes Jane question everything. Ellen Barkin and Marisa Tomei play supporting roles.