Vince Vaughn and Dave Franco Go Wild in Germany in 'Unfinished Business' Red-Band Trailer

He battles his former firm for a deal in the Fox-New Regency comedy

Vince Vaughn, Dave Franco and Tom Wilkinson party on a business trip to Germany in the new red-band trailer for Vaughn's new film Unfinished Business.

The 20th Century Fox-New Regency movie begins with Vaughn's character being told he has to take a pay cut. He then strikes out on his own, starting his own firm with only two employees: one too young (Franco) and one too old (Wilkinson).

Read more It's Official: Colin Farrell and Vince Vaughn to Star in 'True Detective'

They learn that they've scored a big deal in Germany and think they're just traveling to Europe to sign the paperwork. When they get there, though, Vaughn's character discovers his former firm, represented by Sienna Miller and James Marsden, is competing for the same account.

So, their upstart firm sets out to win the account, which means partying with their German clients and even forcing their way past police barricades.

Read more Vince Vaughn Attached to Star in Columbia Comedy 'The Politician' (Exclusive)

Unfinished Business, written by The Secret Life of Walter Mitty scribe Steve Conrad and directed by Ken Scott (Delivery Man), is set to hit theaters on March 6.