Donnie helps Jenny do test marketing for her new vodka at the Vegas Wahlburgers. As a surprise, Donnie enlists Boys II Men to test the flavors. In Rome, Mark gets a delicious surprise birthday present from his business partner while traveling in Italy.

In this unprecedented episode, Mark gives TV viewers unique and intimate access into a day of his life as he attends the grand opening of the Cleveland Wahlburgers. Meanwhile, back in Boston, Paul guides the audience through a day in his life as he deals with the reality of a health scare.