In Chicago, the art dealer Brooke Meyers feels not appreciated 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 Gary miss her. Gary misunderstands her true intention, both follow the wrong advice of family members and friends, beginning a war of sexes with no winner. Written by Claudio Carvalho, Rio de Janeiro, Brazil