During a trip to Germany to scatter their grandfather's ashes, German-American brothers Todd and Jan discover Beerfest, the secret Olympics of downing stout, and want to enter the contest to defend their family's beer-guzzling honor. Their Old Country cousins sneer at the Yanks' chances, prompting the siblings to return to America to prepare for a showdown the following year.

A killer is on the loose, and an FBI agent sifts through clues and learns that the bloodthirsty felon's victims of choice are other serial killers.