David Wozniak (Vince Vaughn) is a hapless deliveryman for his family's butcher shop, pursued by thugs to whom he owes $80,000. His girlfriend Valérie, an New York City Police Department officer (Cobie Smulders) is pregnant with his child. One day, David returns from work to find a lawyer representing a sperm bank (where he gave 693 donations and earned a sum of $24,255 during his student years) who tells him that the clinic gave his samples to women in the clinic and that he has fathered 533 children. Of those, 142 have joined a class action lawsuit to force the fertility clinic to reveal the identity of "Starbuck," the Pseudonym he had used.