Up until now, all we really knew about "The Hangover Part III" is that there's a funeral, the gang ends up in Vegas and a giraffe dies. 

But today, we get a much better idea of the film's plot thanks to a brand new trailer.

This time around, all hell breaks loose when The Wolf Pack decides to bring Alan (Zach Galifianakis) to a rehabilitation center after his father's death. 

Doug (Justin Bartha) gets kidnapped by John Goodman along the way, who plans on holding him hostage until they turn over Mr. Chow (Ken Jeung) -- who stole $21 million from him.

From there there's a trip to Mexico, Bradley Cooper scaling the side of Caesars Palace, some Melissa McCarthy hilarity ... and yes, that poor giraffe.

"The Hangover Part III" lands in theaters May 24 -- will you be checking it out?

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