In Chicago, art dealer Brooke Meyers feels unappreciated and neglected by her immature boyfriend Gary Grobowski, who is partner with his two brothers in a tourism business, and decides to break up with him to make him miss her. Gary misunderstands her true intention and both follow the wrong advice of family members and friends, beginning a war of sexes with no winner.—Claudio Carvalho, Rio de Janeiro, Brazil