collider.com has posted a brief synopsis for Mockingjay which will be split up into two films.
In MOCKINGJAY PARTS 1 & 2, we follow heroine Katniss Everdeen's journey as she leads the districts Panem in a rebellion against the tyrannical and corrupt Capitol. As the war that will determine the fate of Panem escalates, Katniss must decipher for herself who she can trust and what needs to be done, with everything she cares for in the balance.
Is there any particular part in the book you hope to see in the films?