Warner Brothers France has sent over the official Harry Potter and the Deathly Hallows: Part 2 synopsis to UHP.  Read a translation from French below, hopefully  WB USA will release the Official English version soon:

In Part 2 of this final episode, the battle between the powers of good and evil in the wizarding world becomes a war without thank you. The stakes have never been so great and nobody is safe. Harry Potter must make the ultimate sacrifice, as the final showdown with Lord Voldemort approaches. It’s the end of the saga.