|Katherine Heigl||Abby Richter|
|Gerard Butler||Mike Chadway|
|John Michael Higgins||Larry|
|Yvette Nicole Brown||Dori|
|Jesse D. Goins||Cliff|
Abby Richter is a lovelorn TV producer who, despite a long and arduous search for the perfect mate, is hopelessly single. The battle of the sexes heats up when her employers team her up with Mike Chadway, an opinionated TV celebrity who plans to put Abby through the wringer to prove his own theories about what makes men and women tick.