The Greatest Beer Run Ever starring Zac Efron – check it out below.Based on a true story, the film follows John ‘Chickie’ Donohue (Efron) who ventures from New York in 1967 to deliver beer to his army friends in Vietnam to show they have the support of US citizens. While there, however, he’s confronted with the realities of war.Directed by Peter Farrelly (Green Book), the film is based on the book The Greatest Beer Run Ever: A Memoir Of Friendship, Loyalty, and War by Donohue and J.T.