Andy Anderson-journalist from fashionable women's glossy magazine, gets a job from the editor write an article how to lose a guy in ten days? Unusual and difficult job. In a very short period of time, namely ten days Andy to find in crowd guy fall in yourself, fulfill all zhenskie shtuchki and errors, as well as to write an article about what not to do in order to avoid breaking up with a guy.
At the same time a very attractive advertising agent Benjamin Berry finds a bet with the boss on a new contract. He assures that can enchant yourself into girl for ten days. By coincidence, Andy, for his experience, finds Benjamin, and he in turn selects his victim Andy. Young people are a fun game called who.